Toshiba 4511 manual

MUL TIFUNCTIONAL DIGIT AL COLOR SYSTEMS e-STUDIO35 11/45 11 File No. SME03000500 R03042130900-TTEC V er02_2004-10[...]

© 2003 TOSHIBA TEC CORPORATION All rights reserved[...]

• Be sure not to hold the movable parts or units (e.g. the control panel, ADU or RADF) when transporting the equipment. • Be sure to use a dedicated outlet with AC 110/13.2A, 115V or 127V/12A, 220V-240V or 240V/ 8A) for its power source. • The equipment must be grounded for safety. Never ground it to a gas pipe or a water pipe. • Select a s[...]

3. Main Service Parts for Safety • The breaker, door switch, fuse, thermostat, thermofuse, thermistor, etc. are particularly important for safety. Be sure to handle/install them properly. If these parts are shorted circuit and/or made their functions out, they may burn down, for instance, and may result in fatal accidents. Do not allow a short ci[...]

November 2003 © TOSHIBA TEC i e-STUDIO3511/4511 CONTENTS CONTENTS 1. SPECIFICATIONS/ACCESSORIES/OPTIONS/SUPPLIES .......................................... 1-1 1.1 Specifications .............................................................................................................. ....... 1-1 1.2 Accessories ...............................[...]

e-STUDIO3511/4511 CONTENTS ii November 2003 © TOSHIBA TEC 5. CONTROL PANEL ........................................................................................................ 5-1 5.1 Control Panel and Display Panel ....................................................................................... 5-1 5.2 Items Shown on the Display Panel [...]

November 2003 © TOSHIBA TEC iii e-STUDIO3511/4511 CONTENTS 8. LASER OPTICAL UNIT ................................................................................................ 8-1 8.1 General Description ......................................................................................................... .. 8-1 8.2 Structure ................[...]

e-STUDIO3511/4511 CONTENTS iv November 2003 © TOSHIBA TEC 12. DEVELOPER UNIT ..................................................................................................... 12-1 12.1 General Description ........................................................................................................ . 12-1 12.2 Construction ..........[...]

November 2003 © TOSHIBA TEC v e-STUDIO3511/4511 CONTENTS 15. IMAGE QUALITY CONTROL ..................................................................................... 15-1 15.1 General Description ........................................................................................................ . 15-1 15.2 Principle of the Sensor .........[...]

e-STUDIO3511/4511 CONTENTS vi November 2003 © TOSHIBA TEC[...]

Nov ember 2003 © TOSHIBA T EC 1 - 1 e-STUDIO3511/4511 SPECIFICA TIONS 1 1. SPECIFICA TIONS/A CCESSORIES/OPTIONS/SUPPLIES 1.1 Specifications V alues in [ ] are f or e-STUDIO4511 in case that the specification is different between e-STUDIO3511 and e-STUDIO4511. • Copy process Indirect electrophotographic process (dry) • T ype Desktop type (Conso[...]

e-STUDIO3511/4511 SPECIFICA TIONS 1 - 2 Nov ember 2003 © TOSHIBA TE C 1 - The system copy speed is a vailable when 10 sheets of A4/L T size original are set on the RADF and one of the copy modes in the above table is selected. - The per iod of time from pressing [ST AR T] to displaying "READ Y" is the actually measured value. - Setting: [...]

Nov ember 2003 © TOSHIBA T EC 1 - 3 e-STUDIO3511/4511 SPECIFICA TIONS 1 • Reproduction ratio ............. Actual ratio: 100±0.5% Zooming: 25 - 400% in increments of 1% (25 - 200% when using RADF) • Resolution/Gradation ........ Read: 600 dpi Write: Equivalent to 2400 dpi x 600 dpi (black copy) Equivalent to 600 dpi x 600 dpi (color copy) •[...]

e-STUDIO3511/4511 SPECIFICA TIONS 1 - 4 Nov ember 2003 © TOSHIBA TE C 1 • Dimensions of the equipment .......... See the figure below (W660 x D718 x H739 mm) 660 7 1 8 45 ° 7 3 9 Fig. 1-101 * When the tilt angle of the control panel is 45 degrees.[...]

Nov ember 2003 © TOSHIBA T EC 1 - 5 e-STUDIO3511/4511 SPECIFICA TIONS 1 Unpacking/Setup instruction 1 set Operator’ s manual 4 pcs. (except for MJD) Operator's manual pocket 1 pc. Power cable 1 pc. W arranty sheet 1 pc. (for NAD) Setup report 1 set (for NAD and MJD) Customer satisfaction card 1 pc. (for MJD) PM sticker 1 pc. (for MJD) Drum [...]

e-STUDIO3511/4511 SPECIFICA TIONS 1 - 6 Nov ember 2003 © TOSHIBA TE C 1 1.3 Options Notes: 1. The br idge kit (KN-3511) is necessary for installation of the finisher (MJ-1022, MJ-1023 or MJ-1024). 2. The finisher (MJ-1023 or MJ-1024) is necessary for installation of the hole punch unit (MJ-6004N/E/F/S). 3. The PCI slot (GO-1030) is necessary for i[...]

Nov ember 2003 © TOSHIBA T EC 1 - 7 e-STUDIO3511/4511 SPECIFICA TIONS 1 1.5 System List Fig. 1-501 Reversing Automatic Document Feeder (RADF) MR-3015 Platen cover KA-3511PC Work table KK-3511 Key copy counter MU8, MU-10 Damp heater MF-3511 Large Capacity Feeder (LCF) KD-1012A4/LT Paper Feed Pedestal (PFP) KD-1011 Drawer module MY-1021 Staple cartr[...]

e-STUDIO3511/4511 SPECIFICA TIONS 1 - 8 Nov ember 2003 © TOSHIBA TE C 1[...]

November 2003 © TOSHIBA TEC 2 - 1 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 2. OUTLINE OF THE MACHINE 2.1 Sectional View [A] Front side view Fig. 2-101 2 9 6 7 5 3 4 8 1 10 11 12 41 42 34 35 13 14 15 16 17 18 19 20 21 22 23 25 26 24 27 28 29 32 31 30 44 33 36 37 38 39 40 43 63 45 46 47 82 48 49 50 51 52 53 55 56 57 58 59 60 61 62 64 65 66 67 68 6[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 2 November 2003 © TOSHIBA TEC 2 1 Original glass 2 RADF original glass 3 Exposure lamp 4 Inverter board 5 Mirror-1 6 Mirror-2 7 Mirror-3 8 Carriage-1 9 Carriage-2 10 Lens 1 1 CCD board 12 SLG board 13 Laser unit 14 Photoconductive drum 15 Main charger 16 Recovery blade 17 Drum cleaning blade 18 Drum cle[...]

November 2003 © TOSHIBA TEC 2 - 3 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 [B] Rear side view (Drive system) Fig. 2-102 1 2 3 4 5 21 20 6 7 8 10 11 12 13 14 15 16 9 19 17 18 04/05[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 4 November 2003 © TOSHIBA TEC 2 1 Scan motor 2 Main motor 3 Drum cleaner brush motor 4 Transport motor 5 Registration clutch 6 Toner motor 7 Upper transport clutch (Low speed) 8 Upper transport clutch (High speed) 9 Black developer drive clutch 10 Lower transport clutch (High speed) 1 1 Lower transport [...]

November 2003 © TOSHIBA TEC 2 - 5 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 2.2 Electric Parts Layout [A] Unit construction Fuser unit Front side Laser unit PC board unit Fig. 2-201 Scanner unit Drive unit Control panel unit Automatic duplexing unit Bypass unit Process unit Paper feeder unit Transport unit[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 6 November 2003 © TOSHIBA TEC 2 [B] Scanner unit (B-1) Motor, sensor, lamp Front side A4 series LT series Front side Fig. 2-202-1 Fig. 2-202-2 M1 S7 S6 EXP S3 S2 S1 S5 S4 M14 M1 S7 S6 EXP S3 S2 S5 S4 M14 M15 M15[...]

November 2003 © TOSHIBA TEC 2 - 7 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 (B-2) Switch, PC board, heater, thermostat, other part Front side SDV INV THMO2* DH1* SLG S41 CCD Fig. 2-203 DH2* * ASD/AUD/CND/SAD/TWD models: Standard, NAD/MJD models: Option [C] Control panel unit Front side Fig. 2-204 LCD KEY DSP[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 8 November 2003 © TOSHIBA TEC 2 (D-2) Motor, sensor, switch, solenoid, lamp, heater, thermistor, thermostat Front side Fig. 2-206 M3 S14 SOL2 S17 ERS THM4 S13 S20 THMO3* DH3* [D] Process unit (D-1) Motor, sensor, switch, clutch, solenoid Front side Fig. 2-205 S16 M2 CLT1 S10 S9 S8 SOL1 S15 S19 S21 S12 S[...]

November 2003 © TOSHIBA TEC 2 - 9 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 [E] Laser unit Front side Fig. 2-208 SNS LDR M4 (D-3) Motor, switch S26 S25 M13 Front side Fig. 2-207[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 10 November 2003 © TOSHIBA TEC 2 [F] Paper feeder unit Front side [G] Transport unit Fig. 2-209 Fig. 2-210 CLT3 CLT2 S31 S33 S32 S34 S27 S29 S28 S30 Front side S18 S22 S44 S24 S23 CLT5 S42 S43 04/05[...]

November 2003 © TOSHIBA TEC 2 - 11 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 [H] Bypass unit Front side Front side [I] Automatic duplexing unit S37 S38 Fig. 2-211 Fig. 2-212 SFB CLT6 SOL3 S35 S36 ADU M5 CLT7 S39[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 12 November 2003 © TOSHIBA TEC 2 [J] Fuser unit Front side Front side [K] Drive unit CLT9 Fig. 2-213 Fig. 2-214 IH-COIL THM3 THM2 THM1 S40 M12 CLT8 DRV M18 THMO1 CLT10 M11 CLT11 M10 CLT16 HVT M6 CLT15 CLT13 CLT14 M9 CLT12 M8 M7 IH M17 CCL[...]

November 2003 © TOSHIBA TEC 2 - 13 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 Front side [L] PC board unit SYS Fig. 2-215 M19 LGC PS FIL or FUS* BRK NF NIC HDD * NAD/SAD/TWD models: FIL (Standard), ASD/AUD/CND models: FUS (Standard), MJD model: FUS (Option)[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 14 November 2003 © TOSHIBA TEC 2 P-I P17 - I8 P31 - I24 P37 - I16 P10 - I10 P42 - I18 P14 - I6 P6 - I15 P14 - I41 P16 - I26 P4 - I26 P15 - I1 P36 - I11 P28 - I35 P11 - I15 P17 - I27 P5 - I22 P8 - I12 P14 - I49 P7 - I9 P1 - I35 Remarks B-1 D-1 D-2 E I K K K K K K K B-1 D-3 B-1 D-1 K K L D-1 Name SCAN-MOT[...]

November 2003 © TOSHIBA TEC 2 - 15 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 Symbol S1-5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 Name APS 1-3, APS-C, APS-R Automatic original detection sensor HOME-SNR Carriage home position sensor PLTN-SNR Platen sensor REVLV-HP-SNR Revolver home position sensor COLR-TNR-SNR Color [...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 16 November 2003 © TOSHIBA TEC 2 Symbol S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S36 S37 S38 S39 S40 S41 S42 S43 S44 S45 Name CCL-F-POS-SW Charger cleaner front position detection switch CCL-R-POS-SW Charger cleaner rear position detection switch CST-U-TRY-SNR Upper drawer tray-up sensor CST-L-TRY-SN[...]

November 2003 © TOSHIBA TEC 2 - 17 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 (4) Solenoids (3) Electromagnetic clutches Symbol CLT1 CLT2 CLT3 CLT5 CLT6 CLT7 CLT8 CLT9 CLT10 CLT11 CLT12 CLT13 CLT14 CLT15 CLT16 Name TRBLT-CLN-CLT Transfer belt cleaner clutch CST-U-FEED-CLT Upper drawer feed clutch CST-L-FEED-CLT Lower drawer feed clutch 2TR-CONT-CL[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 18 November 2003 © TOSHIBA TEC 2 (5) PC boards Symbol CCD SLG SDV DSP KEY LDR SNS SFB ADU IH DRV CCL SYS LGC NIC FIL FUS Name PWA-F-CCD CCD driving PC board (CCD board) PWA-F-SLG Scanning section control PC board (SLG board) PWA-F-SDV Scan motor driving PC board (SDV board) PWA-F-DSP Display PC board (D[...]

November 2003 © TOSHIBA TEC 2 - 19 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 (6) Lamps and heaters (7) Thermistors and thermostats Symbol EXP ERS IH-COIL DH1 DH2 DH3 Name LP-EXPO Exposure lamp LP-ERS Discharge LED IH-COIL IH coil SCN-L-DH Scanner damp heater (Left) SCN-R-DH Scanner damp heater (Right) DRM-DH Drum damp heater Function Exposing the[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 20 November 2003 © TOSHIBA TEC 2 (9) Others Symbol INV LCD HDD PS NF BRK Name INV-EXP Inverter board LCD LCD panel HDD Hard disk PS-ACC Switching power supply NS-FILTER Noise filter BREAKER Breaker Function Controlling the exposure lamp Displaying and entering each information Storing the program data a[...]

November 2003 © TOSHIBA TEC 2 - 21 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 2.4 General Description 2.4.1 System block diagram LGC SYS SLG CCD SNS Laser unit LDR 8 8 16 8 8 8 8 16 8 64 64 64 16 8 32 32 8 32 16 32 32 32 32 32 32 8 16 16 8 PSTN External TEL PSTN PCI-bus Data-bus Data-bus Data-bus Data-bus Data-bus Laser beam sensor ASIC PWM ASIC A[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 22 November 2003 © TOSHIBA TEC 2 2.4.2 Construction of boards (a) Construction diagram of boards This system consists of the following including the SYS board as a main board. : DC power supply line : AC po wer supply line : Signal line AC input Main switch Cover opening/closing interlock switch SYS PS-[...]

November 2003 © TOSHIBA TEC 2 - 23 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 DSP board: This is the board to mainly control the control panel. The Panel processing CPU detecting the input from each button and touch panel, and the lighting control circuit for the backlight of the LCD are mounted. And it relays the control signal of the control pan[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 24 November 2003 © TOSHIBA TEC 2 LGC board: This is the board to mainly control the print function (printer engine). It consists of the Engine-CPU, ASIC, memory (Flash ROM, SRAM, NVRAM), etc. The Engine-CPU controls each ASIC to drive I/O (electrical parts) of each section in the system. It leads to the[...]

November 2003 © TOSHIBA TEC 2 - 25 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 2.5 Disassembly and Replacement of Covers and PC boards 2.5.1 Covers [A] Front cover / Toner bag (1) Open the front cover. (2) Remove the toner bag. (3) Pull up 2 hinge pins (on the left and the right) and then extract them inside. (4) Take off the front cover. [B] Recei[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 26 November 2003 © TOSHIBA TEC 2 [C] Tray back cover (1) Remove the receiving tray ( Chapter 2.5.1 [B]). (2) Remove 1 screw and take off the tray back cover. [D] Front lower cover (1) Take off the front cover ( Chapter 2.5.1 [A]). (2) Take off the black developer unit cover ( Chapter 12.8 (A-1)). (3) Re[...]

November 2003 © TOSHIBA TEC 2 - 27 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 [G] Left rear cover (1) Remove 2 screws and take off the left rear cover. [H] Left upper cover (1) Remove 2 screws and take off the left upper cover. Left rear cover Left upper cover Fig. 2-509 Fig. 2-510 [I] Front upper cover (1) Take off the left upper cover ( Chapter [...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 28 November 2003 © TOSHIBA TEC 2 [L] Right rear cover (1) Open the ADU. Fig. 2-515 (2) Take off the IH terminal cover ( Chapter 2.5.1 [K]). (3) Remove 1 screw and take off the ozone filter cover. (4) Remove 2 screws and take off the right upper cover ( Chapter 2.5.1 [J]). (5) Remove 2 screws and take of[...]

November 2003 © TOSHIBA TEC 2 - 29 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 [P] Rear cover (1) Remove 7 screws and take off the rear cover. Rear cover Fig. 2-520 [M] Right lower cover (1) Take off the right rear hinge cover ( Chapter 2.5.1 [N]). (2) Remove 2 screws and take off the right lower cover. [N] Right rear hinge cover (1) Remove 2 screw[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 30 November 2003 © TOSHIBA TEC 2 [Q] Upper rear cover (1) Take off the ADF or the platen cover. (2) Take off the left upper cover ( Chapter 2.5.1 [H]). (3) Take off the right upper cover ( Chapter 2.5.1 [J]). (4) Remove 2 screws and take off the upper rear cover. Upper rear cover Fig. 2-521[...]

November 2003 © TOSHIBA TEC 2 - 31 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 2.5.2 PC boards Note: When the PC board/HDD is replaced, refer to each CAUTIONS of TROUBLESHOOTHING in the SERVICE HANDBOOK. [A] Logic PC board (LGC board) (A-1) LGC board case (1) Take off the rear cover ( Chapter 2.5.1 [P]). (2) Loosen 13 screws and take off the LGC bo[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 32 November 2003 © TOSHIBA TEC 2 (4) Loosen 3 screws, disconnect 2 connectors and take off the SYS board lower cover. (5) Remove 4 screws and take off the hard disk from the SYS board lower cover. Fig. 2-527 Fig. 2-528 SYS board lower Hard disk Connector Fig. 2-526 SYS board upper cover (3) Loosen 9 scr[...]

November 2003 © TOSHIBA TEC 2 - 33 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 (3) Remove 4 screws and take off the SYS board case. Fig. 2-530 SYS board case Harness clamp Connector Harness clamp [D] NIC board / System control PC board (SYS board) (1) Take off the SYS board lower cover ( Chapter 2.5.2 [B]). (2) Disconnect 6 connectors. Fig. 2-531 F[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 34 November 2003 © TOSHIBA TEC 2 (5) Remove 11 screws and take off the cover of the power supply unit. [F] High-voltage transformer (1) Take off the power supply unit ( Chapter 2.5.2 [E]). (2) Disconnect 8 connectors, remove 2 screws, release 2 lock supports (white arrow) and take off the high-voltage t[...]

November 2003 © TOSHIBA TEC 2 - 35 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 Fig. 2-539 [H] Fuse board (FUS board) (1) Take off the right rear hinge cover and the right lower cover ( Chapter 2.5.1 [N] [M]). (2) Remove 5 screws to take off the unit and turn it over. [G] Noise filter (1) Take off the right rear hinge cover and the right lower cover[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 36 November 2003 © TOSHIBA TEC 2 Fig. 2-544 (4) Remove 2 screws on the rear side. Fig. 2-542 [I] Driving PC board (DRV board) (1) Take off the LGC board case ( Chapter 2.5.2 [A]). (2) Disconnect 5 connectors, remove 1 screw and DRV board with the bracket. Fig. 2-541 DRV board 2.5.3 Options [A] MR-3015 ([...]

November 2003 © TOSHIBA TEC 2 - 37 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 Fig. 2-547 (7) Slide the RADF backward and take off by lifting it up. Fig. 2-545 (5) Open the RADF. (6) Remove 2 screws on the front side. Fig. 2-546 Note: When disinstalling the RADF and installing the platen cover, or disinstalling the platen cover and installing the R[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 38 November 2003 © TOSHIBA TEC 2 (5) Take off the lower drawer of the equipment and PFP upper drawer. Fig. 2-552 Fig. 2-550 Fig. 2-551 Fig. 2-549 (3) Remove 1 screw and the ground wire, and then disconnect 2 connectors (3 if the optional damp heater is installed). [B] KD-1011 (Paper Feed Pedestal (PFP))[...]

November 2003 © TOSHIBA TEC 2 - 39 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 (6) Remove 4 screws and take off 2 fixing brackets on the front side. Fig. 2-553 Fig. 2-554 (7) Lift up the equipment and take off the PFP. Fig. 2-555 [C] KD-1012 (Large Capacity Feeder (LCF)) (1) Turn OFF the power and unplug the power cable. (2) Remove 7 screws and tak[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 40 November 2003 © TOSHIBA TEC 2 Fig. 2-560 (7) Remove 4 screws and take off 2 fixing brackets on the front side. Fig. 2-558 Fig. 2-559 Fig. 2-557 (4) Remove 2 screws and take off 2 fixing brackets on the rear side. (5) Take off the lower drawer of the equipment. (6) Pull out the LCF drawer.[...]

November 2003 © TOSHIBA TEC 2 - 41 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 Fig. 2-561 Fig. 2-562 (8) Lift up the equipment and take off the LCF. [D] MJ-1022 (Hanging finisher) <When PFP/LCF is not installed> (1) Turn OFF the power and unplug the power cable. (2) Take off the connector cover and disconnect the connector. Fig. 2-563 (3) Rem[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 42 November 2003 © TOSHIBA TEC 2 Fig. 2-568 (3) Remove 2 screws and take off the cover on the rear side. Fig. 2-566 Fig. 2-567 Fig. 2-565 (5) Remove 2 screws. (6) Lift up the finisher and take it off. <When PFP/LCF is installed> (1) Turn OFF the power and unplug the power cable. (2) Take off the c[...]

November 2003 © TOSHIBA TEC 2 - 43 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 Fig. 2-569 Fig. 2-570 (4) Remove 2 screws and take off the cover on the front side. (5) Remove 2 screws. Fig. 2-571 (6) Lift up the finisher and take it off.[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 44 November 2003 © TOSHIBA TEC 2 Fig. 2-574 Fig. 2-575 Fig. 2-572 Fig. 2-573 [E] MJ-1023 (Console finisher) (1) Turn OFF the power and unplug the power cable. (2) Take off the connector cover and disconnect the connector. (3) Remove 1 screw and take off the finisher lower cover. (4) Remove 3 screws and [...]

November 2003 © TOSHIBA TEC 2 - 45 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 Fig. 2-577 Fig. 2-578 (7) Remove 1 screw. (8) Take off the finisher. Note: Be careful not to fell the finisher when moving the finisher unit only. Fig. 2-579 [F] MJ-1024 (Console finisher) (1) Turn OFF the power and unplug the power cable. (2) Take off the connector cove[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 46 November 2003 © TOSHIBA TEC 2 Fig. 2-582 Fig. 2-583 Fig. 2-580 Fig. 2-581 (6) Take off the finisher. Note: Be careful not to fell the finisher when moving the finisher unit only. (3) Open the finisher front cover and remove 1 screw. (4) Remove 1 screw and take off the cover of the finisher rear side.[...]

November 2003 © TOSHIBA TEC 2 - 47 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 Fig. 2-585 Fig. 2-586 (3) Open the front cover of the hole punch unit and remove 1 screw. (4) Take off the cover of the punch unit lower side. Fig. 2-587 (5) Remove 1 screw. Fig. 2-584 [G] MJ-6004 (Hole punch unit) (1) Turn OFF the power and unplug the power cable. (2) T[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 48 November 2003 © TOSHIBA TEC 2 Fig. 2-590 Fig. 2-591 Fig. 2-589 (8) Take off the finisher with the hole punch unit. Note: Be careful not to fell the finisher when moving the finisher unit only. (7) Remove 1 screw. (9) Disconnect 2 connectors. Fig. 2-588 (6) Remove 3 screws and take off the punch unit [...]

November 2003 © TOSHIBA TEC 2 - 49 e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 Fig. 2-593 Fig. 2-594 [H] KN-3511 (Bridge unit) (1) Turn OFF the power and unplug the power cable. (2) Remove 2 screws and take off the cover. (11) Lift up the punch unit and take it off. Fig. 2-595 (3) Disconnect 1 connector. Fig. 2-592 (10) Remove 2 screws.[...]

e-STUDIO3511/4511 OUTLINE OF THE MACHINE 2 - 50 November 2003 © TOSHIBA TEC 2 (7) Lift up the bridge unit and release the hook. Take off the bridge unit toward the front. Fig. 2-598 Fig. 2-599 Fig. 2-596 Fig. 2-597 (4) Open the bridge unit. Remove 1 screw and take off the cover. (5) Close the bridge unit and remove 1 screw. (6) Remove 4 screws and[...]

November 2003 © TOSHIBA TEC 3 - 1 e-STUDIO3511/4511 COPY PROCESS 3 3. COPY PROCESS 3.1 Expression of Colors and 4-Step Copy Process A variety of colors can be expressed by mixing the three primary colors : Yellow, magenta and cyan. Red can be created by mixing yellow and magenta; blue can be created by mixing magenta and cyan; green is created by [...]

e-STUDIO3511/4511 COPY PROCESS 3 - 2 November 2003 © TOSHIBA TEC 3 2 3 7 4 5-2 8 5-1 1 9 10 6 Original exposure Xenon lamp 16 W Data reading (scanning) CCD 600dpi, 7450 pixels Image processing Data writing Semiconductor laser Pw=4.0 nJ/mm 2 Discharging (LED array) Wavelength 660nm x 14pcs. Charger (grid voltage) Cleaning -1000 V Fusing IH coil 700[...]

November 2003 © TOSHIBA TEC 3 - 3 e-STUDIO3511/4511 COPY PROCESS 3 3.3 Details of Copying Process (1) Photoconductive drum The photoconductive drum consists of two layers. The outer layer is a photoconductive layer made of an organic photoconductive carrier (OPC), and the inner layer is an aluminum conductive base in a cylindrical form. The photoc[...]

e-STUDIO3511/4511 COPY PROCESS 3 - 4 November 2003 © TOSHIBA TEC 3 CCD board Scanning section control PC board Image processing section (Example) CCD light receiving amount Value of image signals to be output Light 255 Dark 0      Difference between "light " and "dark" is divided into 256 steps. Image processing [...]

November 2003 © TOSHIBA TEC 3 - 5 e-STUDIO3511/4511 COPY PROCESS 3 Magnet Magnetic roller Toner Carrier (always attracted onto the magnet) Toner Photocon- ductive drum Photoconductive layer Aluminum base 0 - 100V - 200V - 300V - 500V - 400V (5) Development Development is a process of making the electrostatic latent images visible to the eye (visib[...]

e-STUDIO3511/4511 COPY PROCESS 3 - 6 November 2003 © TOSHIBA TEC 3 • About developer material The developer material is comprised of a mixture of toner and carrier. The toner is charged to a negative polarity and the carrier to a positive polarity, due to the friction with each other caused by mixing. Toner : Mainly consists of resin and colorin[...]

November 2003 © TOSHIBA TEC 3 - 7 e-STUDIO3511/4511 COPY PROCESS 3 (6) 1st transfer • 1st transfer is a process of transcribing the toner image (visible image) formed on the photoconductive drum to the transfer belt. A positive bias is applied to the transfer roller, causing the transfer belt to be positively charged. This in turn helps to form [...]

e-STUDIO3511/4511 COPY PROCESS 3 - 8 November 2003 © TOSHIBA TEC 3 (8) Fusing process Fusing is a process of melting the toner on the paper and fixing it firmly onto the paper. Method : The softening point of the toner (main component : resin) is 105 - 120 0 C. (Heat) Toner is melted by the fuser belt. + (Pressure) The fuser belt is pressed agains[...]

November 2003 © TOSHIBA TEC 3 - 9 e-STUDIO3511/4511 COPY PROCESS 3 Conductive blade (10) Discharging process Discharging is a process of eliminating the (–) charge remaining on the photoconductive drum before the next charging process. If the charge remaining on the photoconductive drum is not eliminated, the following phenomenon would occur: (?[...]

e-STUDIO3511/4511 COPY PROCESS 3 - 10 November 2003 © TOSHIBA TEC 3 e-STUDIO3511/4511 OD-3511 (OPC drum) (1) Highly sensitized drum (ø90) Scorotron type -300 to -1200 V (grid voltage) (adjusting by image quality control) (1) Same as FC-210/310 (2) 4.0nJ/mm 2 Same as FC-210/310 (1) Same as FC-210/310 (2) Black: Magnetic bridge-circuit method Color[...]

November 2003 © TOSHIBA TEC 3 - 11 e-STUDIO3511/4511 COPY PROCESS 3 8. Photoconductive drum cleaning (1) Method (2) Recovered toner (3) Transfer charge removal 9. Transfer belt cleaning 10. Discharge 1 1. Fusing (1) Method (2) Cleaning (3) Heat roller temperature (4) Heater (1) Blade cleaning (2) Non-reusable (3) Simultaneous cleaning and discharg[...]

e-STUDIO3511/4511 COPY PROCESS 3 - 12 November 2003 © TOSHIBA TEC 3[...]

November 2003 © TOSHIBA TEC 4 - 1 e-STUDIO3511/4511 GENERAL OPERATION 4 4. GENERAL OPERATION 4.1 Overview of Operation Operation of equipment Operation during initializing, pre-running and ready Drawer feed copying by the [START] button Copying operation Bypass feed copying Interrupt copying 4.2 Description of Operation 4.2.1 Warming-up (1) Initia[...]

e-STUDIO3511/4511 GENERAL OPERATION 4 - 2 November 2003 © TOSHIBA TEC 4 4.2.2 Ready (ready for copying) • Buttons on the control panel enabled • When no button is pressed for a certain period of time, - Set number “1” and reproduction ratio “100%” are displayed. Equipment returns to the normal ready state. 4.2.3 Drawer feed copying (Up[...]

November 2003 © TOSHIBA TEC 4 - 3 e-STUDIO3511/4511 GENERAL OPERATION 4 • Black developer lifting clutch, black developer bias (-) turned ON - Contact the black developer roller to the drum surface • Laser emission (black image) • Black developer drive clutch and black developer bias (AC) turned ON • 1st transfer (black image) - Black imag[...]

e-STUDIO3511/4511 GENERAL OPERATION 4 - 4 November 2003 © TOSHIBA TEC 4 • Transfer belt cleaner clutch and transfer belt cleaner auger motor turned OFF • Main charger and 1st transfer bias turned OFF 2) Black printing operation • Black developer lifting clutch, black developer bias (+150), transfer belt cleaner clutch, toner recovery auger, [...]

November 2003 © TOSHIBA TEC 4 - 5 e-STUDIO3511/4511 GENERAL OPERATION 4 Timing chart for copying (A4/LT size, 1 sheet from upper drawer) 0 0 10 2885 5610 5785 5570 8300 11030 22070 2840 8340 11070 3875 5960 8480 8730 11215 11455 13985 14135 14015 13970 11440 11190 8710 5935 5585 2885 2885 2740 3360 2200 3540 2470 235 570 495 660 13915 12755 17840 [...]

e-STUDIO3511/4511 GENERAL OPERATION 4 - 6 November 2003 © TOSHIBA TEC 4 4.2.4 Bypass feed copying (1) Insert a paper into the bypass tray. • Bypass paper sensor is turned ON. - “Ready for bypass feeding” is displayed. • Carriages move to the home position. (2) Press the [START] button ON • “Ready for bypass feeding” changes to “COP[...]

November 2003 © TOSHIBA TEC 4 - 7 e-STUDIO3511/4511 GENERAL OPERATION 4 4.3 Detection of Abnormality When something abnormal has occurred in the equipment, symbols corresponding to the type of abnormality are displayed. 4.3.1 Types of abnormality A) Abnormality cleared without turning OFF the door switch (1) Add paper (2) Paper misfeed in bypass B[...]

e-STUDIO3511/4511 GENERAL OPERATION 4 - 8 November 2003 © TOSHIBA TEC 4 • When the power is turned ON or LCF drawer is inserted (When the power is turned ON or equip- ment/PFP drawers are inserted). LCF performs initialization. ↓ Detects the presence of paper Tray-up motor ON - The tray goes up At this time, the tray-up sensor and LCF empty se[...]

November 2003 © TOSHIBA TEC 4 - 9 e-STUDIO3511/4511 GENERAL OPERATION 4 ON 0 Registration clutch Exit sensor Timer ON Approx 1.2 sec. Paper jam (E010) Fig. 4-301 ↓ A-2) Bypass misfeeding ( ) • During bypass feeding Bypass feed clutch is turned ON ↓ Registration sensor is turned ON * Registration sensor is not turned ON in a fixed period of t[...]

e-STUDIO3511/4511 GENERAL OPERATION 4 - 10 November 2003 © TOSHIBA TEC 4 • Exit sensor detects jamming of the trailing edge of paper Registration clutch turned OFF ↓ Approx 1.3 sec* Exit sensor turned OFF If the exit sensor is not turned OFF after approx 1.3 seconds, ↓ Paper jam (E020) → The copying operation is stopped. • Immediately af[...]

November 2003 © TOSHIBA TEC 4 - 11 e-STUDIO3511/4511 GENERAL OPERATION 4 B-2) Add toner ( ) Toner density becomes low ↓ Auto-toner sensor detects the absence of the toner ↓ Control circuit → “Add toner” is displayed: the copying operation disabled Solution: Open the front cover and replace the toner cartridge with new one. Toner is suppl[...]

e-STUDIO3511/4511 GENERAL OPERATION 4 - 12 November 2003 © TOSHIBA TEC 4 4.4 Flow Chart 4.4.1 Power ON to ready YES A B NO NO Registration sensor ON? Exit sensor ON? ADU entrance/e xit sensor ON? Main switch ON DC power ON Cov er open? YES NO IH coil ON F ans ON P aper jam Restar t "E030" NO NO NO NO YES YES Call for service YES YES &quo[...]

November 2003 © TOSHIBA TEC 4 - 13 e-STUDIO3511/4511 GENERAL OPERATION 4 A B Fuser belt reached ready temp .? YES YES "C410" "C430" Call for service "C440" Call for service "CA10" Call for service "C470" "C480" "C490" Call for service READ Y Fuser belt ready for pre- running? T [...]

e-STUDIO3511/4511 GENERAL OPERATION 4 - 14 November 2003 © TOSHIBA TEC 4 4.4.2 Automatic feed copying Press [ST ART] READ Y T ranspor t system control Scanner system control Scanner system control completed Feed clutch ON Exposure lamp ON Remaining set number=0? T ranspor t motor ON Exit motor ON Registration clutch ON Counter ON/OFF Main motor OF[...]

November 2003 © TOSHIBA TEC 4 - 15 e-STUDIO3511/4511 GENERAL OPERATION 4 Main charger ON 1st transf er bias ON Black de veloper bias (A C) OFF Black de veloper lifting clutch ON Black de veloper drive clutch OFF Black de veloper bias (-) OFF T ransf er belt marker detected? Black de veloper lifting clutch ON Black de veloper bias (+150) ON T ransf[...]

e-STUDIO3511/4511 GENERAL OPERATION 4 - 16 November 2003 © TOSHIBA TEC 4 Main charger ON 1st transf er bias ON Black de veloper lifting clutch ON Black de veloper bias (-) ON 2nd transf er roller contact clutch ON 2nd transf er bias ON 2nd transf er roller contact clutch OFF 2nd transf er bias OFF T ransf er belt cleaner clutch OFF T ransf er belt[...]

November 2003 © TOSHIBA TEC 5 - 1 e-STUDIO3511/4511 CONTROL PANEL 5 5. CONTROL PANEL 5.1 Control Panel and Display Panel The control panel consists of button switches and touch-panel switches to operate equipment and select various modes, and LEDs and an LCD to display the state of the equipment or the messages. When the operator’s attention is [...]

e-STUDIO3511/4511 CONTROL PANEL 5 - 2 November 2003 © TOSHIBA TEC 5 5.2 Items Shown on the Display Panel Fig. 5-201 Fig. 5-202[...]

November 2003 © TOSHIBA TEC 5 - 3 e-STUDIO3511/4511 CONTROL PANEL 5 Power is OFF (at Sleep Mode) At Energy Saving Mode Scanner warming up - Displayed until the equipment becomes ready to start scanning Scanner warming up - Displayed when Auto Start is set Displayed when performing the controlling function such as cleaning of 2nd transfer roller or[...]

e-STUDIO3511/4511 CONTROL PANEL 5 - 4 November 2003 © TOSHIBA TEC 5 No. Message State of equipment Note 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 READY (SADDLE STITCH TRAY FULL) READY (CHANGE DRAWER TO CORRECT PAPER SIZE) Ready for bypass feeding COPYING Auto Start Close Large Capacity Feeder Close Large Capacity Feeder Door Plac[...]

November 2003 © TOSHIBA TEC 5 - 5 e-STUDIO3511/4511 CONTROL PANEL 5 Displayed when paper size needs to be specified for bypass feeding such as duplex copying Displayed when no paper is in the selected feeder at Cover Copying Mode Displayed when the direction of cover page is different from that of other pages at Cover Copying Mode Displayed when t[...]

e-STUDIO3511/4511 CONTROL PANEL 5 - 6 November 2003 © TOSHIBA TEC 5 Interrupt copying is accepted Interrupt copying is cancelled (finished) Displayed when reproduction ratio is set to be over 200% at AMS Mode on RADF Displayed when reproduction ratio is set manually to be over 200% on RADF Displayed when the template stored is recalled by pressing[...]

November 2003 © TOSHIBA TEC 5 - 7 e-STUDIO3511/4511 CONTROL PANEL 5 Displayed when confirming the user to save the scanning data as much as stored at memory-full state No black toner in the cartridge No yellow toner in the cartridge No magenta toner in the cartridge No cyan toner in the cartridge No yellow and magenta toner in the cartridges No ye[...]

e-STUDIO3511/4511 CONTROL PANEL 5 - 8 November 2003 © TOSHIBA TEC 5 5.3 Relation between the Equipment State and Operator’s Operation Press [ENERGY SAVER] button Press [ACCESS] button Press [JOB STATUS] button Press [INTERRUPT] button Press [FUNCTION CLEAR] button after setting the copy mode Press [STOP] button Press [CLEAR] button after setting[...]

November 2003 © TOSHIBA TEC 5 - 9 e-STUDIO3511/4511 CONTROL PANEL 5 5.4 Description of Operation 5.4.1 Dot matrix LCD circuit (1) Structure The DSP-LCD-350 is an STN blue mode transmissive type LCD with 640x240-dot display capacity. It consists of a driver LSI, frame, printed circuit board, and lateral type CCFL backlight. * STN: Super Twisted Nem[...]

e-STUDIO3511/4511 CONTROL PANEL 5 - 10 November 2003 © TOSHIBA TEC 5 (4) Data Transmission (3) System diagram Signals flowing between the control panel and the system board are indicated in the chart below. When the panel processing CPU detects that the control panel is operated, the operational contents are transmitted to the System board through[...]

November 2003 © TOSHIBA TEC 5 - 11 e-STUDIO3511/4511 CONTROL PANEL 5 LDON0 "L" "L" 17 D7 Q3 IC R3 (COPY) 5VL LED G 5.4.2 LED display circuit (1) Method of LED display ex) Displaying “COPY” . Transistor is turned ON when the LDON 0 signal becomes “L” level. Also, when IC pin changes to “L”, the current flows from 5VL[...]

e-STUDIO3511/4511 CONTROL PANEL 5 - 12 November 2003 © TOSHIBA TEC 5 5.5 Disassembly and Replacement Note: When taking off the control panel, check the position of the stopper; if the stopper is at the position “b”, remove the stopper or move it to the position “a”. Fig. 5-503 [B] Control panel unit (1) Take off the right upper cover and t[...]

November 2003 © TOSHIBA TEC 5 - 13 e-STUDIO3511/4511 CONTROL PANEL 5 (9) Remove 4 screws and take off the LCD. Fig. 5-508 (8) Disconnect 5 connectors and 1 harness clamp, take off the DSP board. Fig. 5-507 (7) Remove 5 screws and take off the hinge bracket. Fig. 5-506 (6) Remove 3 screws and take off the cover. Fig. 5-505[...]

e-STUDIO3511/4511 CONTROL PANEL 5 - 14 November 2003 © TOSHIBA TEC 5 (10) Remove 16 screws and take off the KEY board. Fig. 5-509[...]

November 2003 © TOSHIBA TEC 6 - 1 e-STUDIO3511/4511 SCANNER 6 6. SCANNER 6.1 Function In the scanning section of this equipment, the surface of an original is irradiated with a direct light and the reflected light is led through mirrors, a lens and a slit to CCD where optical-to-electrical conversion is performed, converting the optical image data[...]

e-STUDIO3511/4511 SCANNER 6 - 2 November 2003 © TOSHIBA TEC 6 6.2 Construction The following shows the construction and purpose of the scanning system: (1) Original glass This is a glass on which an original is placed. The light from the exposure lamp is irradiated to the original through this glass. (2) Carriage-1 Carriage-1 consists of the expos[...]

November 2003 © TOSHIBA TEC 6 - 3 e-STUDIO3511/4511 SCANNER 6 (3) Carriage-2 Carriage-2 mainly consists of the mirror-2, mirror-3, etc. and directs the reflected light from the mirror- 1 through the mirrors-2 and -3 to the lens. This carriage is driven by the same scan motor as that for the carriage-1 at half the scanning speed of the carriage-1 ([...]

e-STUDIO3511/4511 SCANNER 6 - 4 November 2003 © TOSHIBA TEC 6 6.3 Description of Operation 6.3.1 Scan motor Fig. 6-301 (a) Scanning of an original placed on the original glass This motor drives the carriages-1 and -2 through the timing belt and carriage wire. First, the scan motor drives the carriages-1 and -2 to their respective home positions. T[...]

November 2003 © TOSHIBA TEC 6 - 5 e-STUDIO3511/4511 SCANNER 6 6.3.2 Scanning drive circuit The scan motor is a 2-phase stepping motor and driven by the driver IC-STK-672-071. GND B +24V B A +24V A +24V DIG GND V oltage to set value f or motor current Clock input Cut off output Reset Excitation mode setting ( 3 ) Excitation mode setting ( 2 ) Excit[...]

e-STUDIO3511/4511 SCANNER 6 - 6 November 2003 © TOSHIBA TEC 6 Motor is rotated by setting number of pulse. * Internal circuit of the motor driver works when the first pulse becomes ON and the last pulse becomes OFF. The direction of the motor rotation is determined by setting level of signal. “L” ... Clockwise direction (as seen from the outpu[...]

November 2003 © TOSHIBA TEC 6 - 7 e-STUDIO3511/4511 SCANNER 6 6.3.3 Initialization at power-ON The carriage moves to its home position and performs the peak detection. Then it moves to the carriage waiting position and waits. YES NO YES NO YES NO Power-ON Carriage home position sensor ON Scan motor rotating (Moves to the forward direction of carri[...]

e-STUDIO3511/4511 SCANNER 6 - 8 November 2003 © TOSHIBA TEC 6 6.4 Control of Exposure Lamp 6.4.1 General description Control circuit for the exposure lamp consists of the following two blocks: (1) Lighting device for the xenon lamp (Inverter) Turns ON/OFF the exposure lamp. (2) CCD circuit This circuit converts the reflected light amount from the [...]

November 2003 © TOSHIBA TEC 6 - 9 e-STUDIO3511/4511 SCANNER 6 (7) (3) (2) (4) (5) (8) (6) (1) (1) 6.4.2 Exposure lamp External electrode type xenon fluorescent lamp is used as an exposure lamp in this equipment. (1) Structure Fluorescer is applied on the inside surface of the lamp pipe (except a part to be an opening) which is filled with the xeno[...]

e-STUDIO3511/4511 SCANNER 6 - 10 November 2003 © TOSHIBA TEC 6 6.4.3 Control circuit for the exposure lamp LP-EXPO-350 IC16 LMPON 5VSWON WDTOUT +5VSW RN2401 B RN1401 +24V LMPEN LAMP LAMP Scanner CPU Xenon lamp INV-EXPO-350 SLG board LAMP ON L - - - Exposure lamp ON signal Lamp turns ON at “L” 5VSW ON L H - - 5V SW ON signal Controls 5VSW by CP[...]

November 2003 © TOSHIBA TEC 6 - 11 e-STUDIO3511/4511 SCANNER 6 6.5 General Description of CCD Control 6.5.1 Opto-electronic conversion A CCD (Charge-Coupled Device) is used to produce electrical signal corresponding to the reflected light amount from the original. CCD is a one-chip opto-electronic conversion device, comprised of several thousand l[...]

e-STUDIO3511/4511 SCANNER 6 - 12 November 2003 © TOSHIBA TEC 6 6.6 Automatic Original Size Detection Circuit This circuit detects the size of original (standard sizes only) using the reflection type photosensors arranged on the base frame of the scanner unit. 6.6.1 Principle of original size detection Reflection type photosensors are placed on the[...]

November 2003 © TOSHIBA TEC 6 - 13 e-STUDIO3511/4511 SCANNER 6 [A4 Series] [LT Series] Fig. 6-603 Sensor detection points ST L T LG LD ST–R L T–R APS-R APS-C APS-2 APS-3 A5 B5 A4 B4 A3 A5 – R A4 – R B5 – R APS-R APS-C APS-3 APS-1 APS-2[...]

e-STUDIO3511/4511 SCANNER 6 - 14 November 2003 © TOSHIBA TEC 6 (4) Original size is determined by the combination of the signals output from each detection point. Combination charts for size determination of A4 series and LT series are as follows. [A4 Series] Size judgement APS-C APS-R APS-1 APS-2 APS-3 A 3 0 0 000 A 4 0 1 000 B 4 0 0 010 B 5 1 1 [...]

November 2003 © TOSHIBA TEC 6 - 15 e-STUDIO3511/4511 SCANNER 6 The reflection type photosensor is comprised of an infrared light emitting diode and a phototransistor. It uses pulse modulation to detect an original. Fig. 6-604 The light emitting diode is driven by a pulse having a 130 µsec. cycle and an 8 µsec. ON time. When the phototransistor r[...]

e-STUDIO3511/4511 SCANNER 6 - 16 November 2003 © TOSHIBA TEC 6 6.7 Disassembly and Replacement [A] Original glass (1) Take off the right upper cover ( Chapter 2.5.1 [J]). (2) Remove 2 screws and take off the fixing bracket. [B] Lens cover (1) Remove the original glass ( Chapter 6.7 [A]). (2) Disconnect 1 connector, remove 5 screws and take off the[...]

November 2003 © TOSHIBA TEC 6 - 17 e-STUDIO3511/4511 SCANNER 6 [E] Exposure lamp (1) Remove the original glass and take off the front upper cover ( Chapters 6.7 [A], 2.5.1 [I]). (2 ) Move the carriage-1 to the center position where the side of the frame is cut out. (3) Disconnect the connector of the exposure lamp. Note: When disconnecting the con[...]

e-STUDIO3511/4511 SCANNER 6 - 18 November 2003 © TOSHIBA TEC 6 [Rear side] [Front side] Lens Adjusted area in the Service Handbook. 3. Do not touch 4 screws shown with the arrows when replacing the lens unit. [F] Lens unit (1) Remove the lens cover ( Chapter 6.7 [B]). (2) Disconnect 1 connector and remove 5 screws. Then remove 2 screws and 2 groun[...]

November 2003 © TOSHIBA TEC 6 - 19 e-STUDIO3511/4511 SCANNER 6 [H] Carriages-1 and -2 (1 ) Remove the original glass and take off the upper rear cover ( Chapters 6.7 [A], 2.5.1 [Q]). (2) Move the carriage and position the holes of the carriage to the holes of the frame. (3) Remove 2 screws and take off the brackets fixing the carriage-1 to the wir[...]

e-STUDIO3511/4511 SCANNER 6 - 20 November 2003 © TOSHIBA TEC 6 (6 ) Remove 2 screws and take off the inverter board. Mirror-1 Inverter board Notes: 1. When installing carriage-1, fix the bracket temporarily at the position (A). Then move it to the direction (B), push it to the end and fix securely. 2. Refer to the Service Handbook for more details[...]

November 2003 © TOSHIBA TEC 6 - 21 e-STUDIO3511/4511 SCANNER 6 Notes: 1. When installing carriage-2, fix the bracket temporarily at the position (A). Then move it to the direction (B), push it to the end and fix securely. 2. Refer to the Service Handbook for more details. (A) (B) (A) (7) Attach the wire holder jigs to the pulleys to prevent the wi[...]

e-STUDIO3511/4511 SCANNER 6 - 22 November 2003 © TOSHIBA TEC 6 [I] Platen sensor (1) Take off the upper rear cover ( Chapter 2.5.1 [Q]). (2) Disconnect 1 connector. Release the latches and take off the platen sensor. Platen sensor Carriage home position sensor Fig. 6-723 [J] Carriage home position sensor (1) Take off the upper rear cover ( Chapter[...]

November 2003 © TOSHIBA TEC 7 - 1 e-STUDIO3511/4511 IMAGE PROCESSING 7 7. IMAGE PROCESSING 7.1 General Description The following diagram shows the process of this equipment from scanning of original to writing data on the photoconductive drum surface. The followings are the boards used for image processing. Image processing/ writing control sectio[...]

e-STUDIO3511/4511 IMAGE PROCESSING 7 - 2 November 2003 © TOSHIBA TEC 7 Image of an original placed on the original glass is scanned by the optical system. The CCD (Charge Coupled Device) reads the optical image signals and converts them into the electrical signals. The electrical signals are amplified and undergo analog-to-digital conversion, then[...]

November 2003 © TOSHIBA TEC 7 - 3 e-STUDIO3511/4511 IMAGE PROCESSING 7 7.2 Configuration The Fig. 7-201 shows the image processing section of this equipment. Fig. 7-201 ASIC ASIC CCD CCD board (PW A-F-CCD-350) SLG board (PW A-F-SLG-350) SYS board (PW A-F-SYS-350) A/D conv ersion Shading correction 3-line correction External por t Image processing [...]

e-STUDIO3511/4511 IMAGE PROCESSING 7 - 4 November 2003 © TOSHIBA TEC 7 7.3 SYS Board (PWA-F-SYS-350) 7.3.1 Features (1) The image processing section on the SYS board is controlled by the CPU on the SYS board. (2) The image processing section on the SYS board realizes the following when functioning the copier: • ACS • Color conversion (CMY imag[...]

November 2003 © TOSHIBA TEC 7 - 5 e-STUDIO3511/4511 IMAGE PROCESSING 7 7.3.2 Functions of image processing circuit The image processing section on the SYS board realizes the followings: (1) ACS (Auto Color Selection) This function determines whether the original to be scanned is colored or monochrome, based on the analysis of the R, G and B signal[...]

e-STUDIO3511/4511 IMAGE PROCESSING 7 - 6 November 2003 © TOSHIBA TEC 7 0123456789 0123456789 (c) Filtering This function is enabled by low-pass filter processing and high-pass filter processing. • Low-pass filter processing This processing removes image/electrical noise and decreases moire by performing averaging operation between the image sign[...]

November 2003 © TOSHIBA TEC 7 - 7 e-STUDIO3511/4511 IMAGE PROCESSING 7 (5) Image memory editing This function performs editing such as enlargement/reduction, mirror imaging, etc., by using a line memory. Pixel data for one line in the primary scanning direction is stored in the line memory and the memory is renewed at each line. (a) Enlargement/Re[...]

e-STUDIO3511/4511 IMAGE PROCESSING 7 - 8 November 2003 © TOSHIBA TEC 7 Fig. 7-305 Ideal image Out of color registration Black over print Black data Black data Black data Background Background Background Paper Paper Paper (8) Gamma correction This function corrects the input/output characteristics of the scanner/printer and adjusts the image signal[...]

November 2003 © TOSHIBA TEC 7 - 9 e-STUDIO3511/4511 IMAGE PROCESSING 7 (14) Pure black/Pure gray (Post Script) This function is to printout the text and graphics formed as black data with black toner only on the printer data, not using 4 color toner. The gray text/graphics are also printed out with black toner only. (15) Chroma adjustment (PCL5C) [...]

e-STUDIO3511/4511 IMAGE PROCESSING 7 - 10 November 2003 © TOSHIBA TEC 7 7.4 LGC Board (PWA-F-LGC-350) 7.4.1 Features (1) The image processing ASIC on the LGC board is controlled by CPU mounted on the LGC board. (2) The image processing functions of the LGC board realizes the followings: • Smoothing processing • Image area control • Laser rel[...]

November 2003 © TOSHIBA TEC 8 - 1 e-STUDIO3511/4511 LASER OPTICAL UNIT 8 8. LASER OPTICAL UNIT 8.1 General Description The laser optical unit radiates the laser beam onto the photoconductive drum responding to the digital image signals transmitted from the scanner, printer controller, etc. to create the latent image. Image signal is converted into[...]

e-STUDIO3511/4511 LASER OPTICAL UNIT 8 - 2 November 2003 © TOSHIBA TEC 8 Mirror Polygonal motor Cylinder lens Finite focus lens Aperture LDR board [Writing Section Overview] Fig. 8-102 Slit glass (for outgoing laser beam) SNS board f θ lens 2 f θ lens 1[...]

November 2003 © TOSHIBA TEC 8 - 3 e-STUDIO3511/4511 LASER OPTICAL UNIT 8 8.2 Structure (1) Laser emission Unit This unit consists of the laser diode, finite focus lens, aperture and cylinder lens. a. Laser diode This laser diode features low droop, small laser variation and low threshold current. Aperture determines the shape of the laser beam at [...]

e-STUDIO3511/4511 LASER OPTICAL UNIT 8 - 4 November 2003 © TOSHIBA TEC 8 (2) Polygonal motor unit This unit consists of the polygonal motor, polygonal mirror and polygonal mirror cover. a. Polygonal motor This motor rotates the polygonal mirror in high speed. The DC motor controls the rotation speed of the mirror motor as follows: During ready : 1[...]

November 2003 © TOSHIBA TEC 8 - 5 e-STUDIO3511/4511 LASER OPTICAL UNIT 8 (3) f θ θ θ θ θ lenses 1 and 2 These two lenses perform the following adjustment on the laser beams reflected by the polygonal mirror. a. Uniform-velocity scanning Since the polygonal mirror is rotating at a uniform velocity, the laser beam reflected from the mirror scan[...]

e-STUDIO3511/4511 LASER OPTICAL UNIT 8 - 6 November 2003 © TOSHIBA TEC 8 (5) Laser driving PC board (LDR board) This control board has the following functions: a. APC control function (adjusts disparity of the laser intensity caused by temperature) b. Laser ON/OFF function (6) Slit glass Slit glass is located where the laser beams are output from [...]

November 2003 © TOSHIBA TEC 8 - 7 e-STUDIO3511/4511 LASER OPTICAL UNIT 8 Fig. 8-302 Fig. 8-302 shows a block diagram of the semiconductive laser control circuit. The semiconductive laser performs monitor efficiency regulation (a process to control monitor current for the light amount), and laser itself is adjusted to initial output emission of app[...]

e-STUDIO3511/4511 LASER OPTICAL UNIT 8 - 8 November 2003 © TOSHIBA TEC 8 8.4 Laser Unit Cooling Fan The laser unit cooling fan is a propeller fan (80 x 80 mm). It cools down the polygonal motor and the Laser driving PC board. 8.5 Polygonal Motor (1) Drive circuit of the polygonal motor (2) Control signal The polygonal motor is a DC motor which is [...]

November 2003 © TOSHIBA TEC 8 - 9 e-STUDIO3511/4511 LASER OPTICAL UNIT 8 (4) Take off the left cover ( Chapter 2.5.1 [F]). (5) Remove 2 screw and take off the toner cover. 8.6 Disassembly and Replacement [A] Laser optical unit (1) Take off the rear cover ( Chapter 2.5.1 [P]). (2 ) Take off the LGC board cover ( Chapter 2.5.2 [A]). (3) Disconnect 2[...]

e-STUDIO3511/4511 LASER OPTICAL UNIT 8 - 10 November 2003 © TOSHIBA TEC 8 (4) Disconnect 1 connector and remove 2 screws. Take off the laser unit cooling fan. Fig. 8-607 Laser unit cooling fan Fig. 8-606 [B] Laser unit cooling fan (1) Open the front cover. (2) Remove the receiving tray ( Chapter 2.5.1 [B]). (3) Remove 2 screws and take off the inn[...]

November 2003 © TOSHIBA TEC 9 - 1 e-STUDIO3511/4511 DRIVE SYSTEM 9 9. DRIVE SYSTEM 9.1 General Description This chapter explains about each drive system of the main motor, transport motor and developer motor. The function of each drive unit is as follows: • Main motor Photoconductive drum Transfer belt • Transport motor Fuser unit Bridge unit [...]

e-STUDIO3511/4511 DRIVE SYSTEM 9 - 2 November 2003 © TOSHIBA TEC 9 (G80/P36) (P53/G15) (G45/G21) (P75/P33) (P27/G33) (G100/P20) (G16) (G27/G20) (G40/G23) (P100) (G19) (G27/P33) (G31) (G10) 9.2 Main Motor 9.2.1 Construction The main motor drive unit consists of two parts: One part transmits the drive from the main motor to photoconductive drum and [...]

November 2003 © TOSHIBA TEC 9 - 3 e-STUDIO3511/4511 DRIVE SYSTEM 9 9.2.2 Drive circuit of main motor (1) The control signal from LGC controls the operations of the main motor, such as switching of ON/OFF, a rotational direction, a rotational speed, etc. The rotational speed is decided by clock frequency output at the main motor. The speed is lower[...]

e-STUDIO3511/4511 DRIVE SYSTEM 9 - 4 November 2003 © TOSHIBA TEC 9 9.3 Transport Motor 9.3.1 Construction The transport motor drive unit transmits the drive from the transport motor to the fuser unit, 2nd transfer roller, registration roller, transport roller, feed roller, bypass feed roller and bridge unit (option) through the gears and clutches.[...]

November 2003 © TOSHIBA TEC 9 - 5 e-STUDIO3511/4511 DRIVE SYSTEM 9 9.3.2 Drive circuit of transport motor The transport motor is a DC brushless motor. At color printing modes with thick paper or OHP film, the transport speed is lowered to 1/2, 1/3 or 1/4 depending on its mode for most effective fusing. The following is the block diagram of the tra[...]

e-STUDIO3511/4511 DRIVE SYSTEM 9 - 6 November 2003 © TOSHIBA TEC 9 9.4 Developer Motor 9.4.1 Construction The developer motor is a motor drives the following movements: (A) Lifting movement by rotating the lifting cam in the black developer unit (B) Rotational movement of magnet roller in the black developer unit (C) Rotational movement of toner s[...]

November 2003 © TOSHIBA TEC 9 - 7 e-STUDIO3511/4511 DRIVE SYSTEM 9 9.4.2 Drive circuit of developer motor 7407 62385 DVMON DVMCK DVMCW DVMPL PWA-F-LGC Developer Motor Gate array Fig. 9-402 (1) LGC board provides a signal to control the rotation of the developer motor. (DVMON: Developer motor ON signal) When signal from LGC board is the level "[...]

e-STUDIO3511/4511 DRIVE SYSTEM 9 - 8 November 2003 © TOSHIBA TEC 9 (5) Remove 3 screws and take off the bracket. 9.5 Disassembly and Replacement [A] Developer motor drive unit (1) Take off the rear cover ( Chapter 2.5.1 [P]). (2) Take off the LGC board, SYS board and switching power supply with the whole case ( Chapter 2.5.2 [A] [C] [E]). (3) Remo[...]

November 2003 © TOSHIBA TEC 9 - 9 e-STUDIO3511/4511 DRIVE SYSTEM 9 (A-1) Developer motor (1) Remove 2 screws and take off the developer motor. (A-2) Black developer lifting clutch (1) Remove 4 screws and take off the bracket. (A-3) Color developer toner supply clutch, color developer drive clutch and black developer drive clutch (1) Remove 3 screw[...]

e-STUDIO3511/4511 DRIVE SYSTEM 9 - 10 November 2003 © TOSHIBA TEC 9 (2) Remove the gear, E-ring and the clip of each clutch. (3) Disconnect 1 connector and take off the color developer toner supply clutch. (4) Remove clip A and gear C. Remove 1 bushing and clip B. Disconnect 1 connector and take off the color developer drive clutch. (5) Disconnect[...]

November 2003 © TOSHIBA TEC 9 - 11 e-STUDIO3511/4511 DRIVE SYSTEM 9 (9) Take off the fuser unit ( Chapter 16.7 [A]). (10) Remove 1 screw and take off the bracket. (11) Loosen 1 setscrew, disconnect 1 connector and take off the registration clutch. (12) Remove 2 screws and take off the clutch fixing cover. Notes: 1. Make sure not to take off the fi[...]

e-STUDIO3511/4511 DRIVE SYSTEM 9 - 12 November 2003 © TOSHIBA TEC 9 (15) Remove 2 screws and take off the transport motor. (16) Remove 2 screws and take off the bracket, and then take off the upper transport clutch (low speed). (17) Remove 9 screws and take off the cover of transport gear drive unit. Fig. 9-518 Fig. 9-519 (14) Disconnect 2 connect[...]

November 2003 © TOSHIBA TEC 9 - 13 e-STUDIO3511/4511 DRIVE SYSTEM 9 (9) Disconnect 2 connectors, release 2 harness clamps and remove 6 screws. Take off the main motor drive unit. (10) Remove 4 screws and take off the main motor. Note: When taking off only the main motor, it can be taken off by removing the LGC board and SYS board with the whole ca[...]

e-STUDIO3511/4511 DRIVE SYSTEM 9 - 14 November 2003 © TOSHIBA TEC 9 (12) Remove clip A (back side of the unit), gear A with the shaft and 2 bushings. Remove clip B (back side of the unit), gear B with the shaft, 2 bushings, and gear C between the metal plates of the drive unit. Fig. 9-524 (13) Remove 8 screws (denoted with the white arrows are the[...]

November 2003 © TOSHIBA TEC 9 - 15 e-STUDIO3511/4511 DRIVE SYSTEM 9 (14) Remove 2 screws and take off the drum cleaner brush motor. Notes: 1. When reassembling the unit, make sure to follow the inverse procedure of disassembling. 2. Make sure to assemble the unit while all the belt tensions are loosened. Tense the belts after reassembling. 3. Rota[...]

e-STUDIO3511/4511 DRIVE SYSTEM 9 - 16 November 2003 © TOSHIBA TEC 9[...]

November 2003 © TOSHIBA TEC 10 - 1 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 10. PAPER FEEDING SYSTEM 10.1 General Descriptions This chapter explains how the system works to pick up paper from the drawer or bypass tray and transport it to the transfer unit. The paper feeding system mainly consists of the pickup roller, feed roller, separation roll[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 2 November 2003 © TOSHIBA TEC 10 The followings are about sensors which detect paper size, availability of paper and position of the paper being transported to control ON/OFF of the rollers. (6) Bypass paper sensor This sensor detects if paper is set in the bypass tray. If it is, bypass feeding always co[...]

November 2003 © TOSHIBA TEC 10 - 3 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 Paper Feeding Section Sectional View (Front side) Fig. 10-101 No. Name 1 Bypass feed roller 2 Bypass separation roller 3 Bypass pickup roller 4 Upper drawer feed roller 5 Upper drawer separation roller 6 Upper drawer pickup roller 7 Transport roller 8 Lower drawer feed ro[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 4 November 2003 © TOSHIBA TEC 10 Paper Feeding Section Drive System (Rear side) Fig. 10-102 No. Name 18 Lower transport clutch (Low speed) 19 Lower transport feed clutch (High speed) 20 Upper drawer feed clutch 21 Lower drawer feed clutch ( G40/G34 ) ( G35 ) ( G34 ) ( G35 ) ( G33 ) ( G33 ) ( G33 ) (G 31/[...]

November 2003 © TOSHIBA TEC 10 - 5 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 10.2 Description of Operation 10.2.1 Operation of bypass pickup roller When the bypass pickup solenoid is turned ON, the plunger is pulled, and then the lever is rotated. The pickup arm is then brought down with its own weight. When the bypass pickup solenoid is turned OF[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 6 November 2003 © TOSHIBA TEC 10 A Insertion direction Lever (a) Pickup roller A 10.2.2 Operation of drawer pickup roller When the drawer is inserted, the protrusion at the rear side of the drawer moves up the lever (a) to the direction of A. The pickup roller and roller holder are then lowered by it&apo[...]

November 2003 © TOSHIBA TEC 10 - 7 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 10.2.3 Separation of paper The separation roller in this equipment works to separate the sheets being fed. The separation roller unit consists of the feed roller, separation roller, spring joint, etc., as shown below. The feed roller is rotated by the feed clutch in the d[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 8 November 2003 © TOSHIBA TEC 10 10.2.4 General operation [A] From power-ON to ready status (1) When the equipment is turned ON, the tray-up motor is activated and the upper drawer tray starts to rise. When the tray-up sensor is turned ON (L → H), the tray-up motor is turned OFF, and the tray is stoppe[...]

November 2003 © TOSHIBA TEC 10 - 9 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 [D] Drawer feeding (D-1) Lower drawer • The feed clutch and the transport clutch (high speed) are turned ON, and the pickup roller, feed roller and transport roller are rotated to start feeding paper. • Passing of the leading edge of the paper turns ON the lower drawe[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 10 November 2003 © TOSHIBA TEC 10 1 2 3 4 5 6 7 IN1 IN2 M(+) TUP1A GND M(–) TUP2A N.C. V CC 10.3 Drive Circuit of Tray-up Motor Tray-up motor (TRY-MTR) : Driven by IC6 (upper/lower drawer) (LGC: TA8428) Block diagram of TA8428 Fig. 10-301 IN1 and IN2 are input terminals to receive the signals from the [...]

November 2003 © TOSHIBA TEC 10 - 11 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 (5) Remove 3 screws. Lift up the bypass unit and take it off toward you. Note: When installing the bypass unit, make sure that the ADU is closed in advance since the bypass unit occasionally does not slide smoothly. Fig. 10-401 Fig. 10-404 (4) Remove 1 screw and take off[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 12 November 2003 © TOSHIBA TEC 10 (4) Remove 3 screws and release 4 latches. Take off the upper cover of the bypass tray. (5) Remove 1 screw and the plate spring. (6) Remove 1 screw (indicated with a white arrow) from the back side, then take off the bracket. Bracket Plate spring (A-2) Bypass tray slide [...]

November 2003 © TOSHIBA TEC 10 - 13 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 (7) Disconnect 1 connector and remove 1 screw. Take off the bypass tray slide guide width detection PC board. Note: When installing the bracket, make sure that the pointer of the bracket is positioned as shown in the right figure (the same point as it pointed before disa[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 14 November 2003 © TOSHIBA TEC 10 (A-6) Bypass paper sensor ( 1) Disconnect 1 connector. Then release the latches and take off the bypass paper sensor. (2) Remove 1 clip and pull out the shaft in the direction of the white arrow. Then take off the bypass pickup roller. (A-5) Bypass pickup solenoid (1) Re[...]

November 2003 © TOSHIBA TEC 10 - 15 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 (A-7) Bypass feed roller (1) Remove 4 screws and take off the bypass feed unit. (2) Remove 1 clip and take off the bypass feed roller by sliding it. Fig. 10-417 Fig. 10-418 Bypass feed unit Clip Bypass feed roller (A-8) Bypass separation roller (1) Remove 3 screws and ta[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 16 November 2003 © TOSHIBA TEC 10 ( 2) Disconnect 1 connector. Then release the latches and take off the bypass feed sensor. Fig. 10-422 Fig. 10-423 Lower plate cover Bypass feed sensor Fig. 10-424 Stay (3) Remove the arbor, shaft and spring. Fig. 10-421 Arbor Shaft Spring Bypass separation roller [B] Lo[...]

November 2003 © TOSHIBA TEC 10 - 17 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 Fig. 10-425 Fig. 10-426 Fig. 10-427 Guide Lower drawer feed sensor Side guide opening/ closing switch Clip (2) Remove 3 screws. Rotate the guide to take it off by releasing the harness from the harness clamp. Knob Fig. 10-428 Guide (5) Remove 3 screws and take off the gu[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 18 November 2003 © TOSHIBA TEC 10 Fig. 10-429 (3) Disconnect 1 connector and remove 1 screw. Then take off the upper drawer feed sensor with the whole bracket. (4) Disconnect 1 connector and remove 1 screw. Then take off the registration sensor with the whole bracket. Fig. 10-430 Fig. 10-431 Fig. 10-432 [...]

November 2003 © TOSHIBA TEC 10 - 19 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 Fig. 10-433 Fig. 10-434 Feed clutch Note: Attach the clutch to the shaft referring to the figure at right. Fig. 10-435 0.2-0.5mm (E-3) Separation roller (1) Remove 1 screw and take off the separation roller holder. Fig. 10-436 Separation roller [E] Drawer feeding unit (E[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 20 November 2003 © TOSHIBA TEC 10 (E-4) Pickup roller (1) Take off the pickup roller from the pickup arm and remove the belt. Fig. 10-438 Fig. 10-439 Fig. 10-440 Fig. 10-437 L O C K LOCK Lever Cover Clutch spring Separation roller Shaft Holder Arbor Spring Arbor Spring CLUTCH-6-L Paper Feed roller Pickup[...]

November 2003 © TOSHIBA TEC 10 - 21 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 Fig. 10-442 Fig. 10-443 Clip Feed roller One-way clutch Drawer tray-up sensor Latch Drawer empty sensor (E-5) Feed roller (1) Remove the clip and take off the feed roller in the direction of the arrow. (E-6) Drawer tray-up sensor and Drawer empty sensor ( 1 ) Disconnect [...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 22 November 2003 © TOSHIBA TEC 10 (4) Turn the tray drive unit. Release 6 latches and take off the cover. Note: When taking off the cover, be careful of the spring inside the tray drive unit which pushes the cover. (5) Take off the tray-up motor. Note: When assembling the tray drive unit, match the gear [...]

November 2003 © TOSHIBA TEC 10 - 23 e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 (3) Remove 3 screws and 1 E-ring. Then take off the clutch fixing bracket. (4) Take off the lower transport clutch (low speed) and the lower transport clutch (high speed). Notes: 1. Do not push the transport roller shaft strongly when installing the clutch fixing bracket[...]

e-STUDIO3511/4511 PAPER FEEDING SYSTEM 10 - 24 November 2003 © TOSHIBA TEC 10 [I] Middle guide (1) Remove 2 screws and take off the 2nd transfer front guide. Fig. 10-453 Fig. 10-454 Fig. 10-455 (2) Remove 2 screws and take off the middle guide. Note: When taking off the middle guide, pay attention not to drop the removed paper dust from the brush [...]

November 2003 © TOSHIBA TEC 11 - 1 e-STUDIO3511/4511 DRUM RELATED SECTION 11 11. DRUM RELATED SECTION 11.1 Construction This chapter explains about the drum, unit around the drum, image processing unit, their parts and control circuits. This area mainly consists of the following components: • Drum cleaner unit Drum Main charger Drum thermistor D[...]

e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 2 November 2003 © TOSHIBA TEC 11 11.2 Functions (1) Drum Drum is made of a cylindrical aluminum base coated with thin film of organic photoconductive sub- stance. Photoconductive object becomes insulative (high electrical resistance) when it is not exposed to lights and becomes conductive (low electrical[...]

November 2003 © TOSHIBA TEC 11 - 3 e-STUDIO3511/4511 DRUM RELATED SECTION 11 (5) Discharge LED Discharge is a process to decrease or eliminate the static electricity on the drum surface. The electrical resistance of the photosensitive layer is decreased by the light, and the residual charge on the drum surface is neutralized and eliminated (cleane[...]

e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 4 November 2003 © TOSHIBA TEC 11 Fig. 11-301 11.3 Output Control Circuits of High-Voltage Transformer • Outputs adjustment value of the main charger, transfer charger, and developer biases in the NVRAM to the main processor. ↓ • Outputs control voltage data from the main processor to the D/A conver[...]

November 2003 © TOSHIBA TEC 11 - 5 e-STUDIO3511/4511 DRUM RELATED SECTION 11 11.4 Drum Temperature Detection Circuit (1) Purpose of the drum temperature detection circuit Since the photoconductive characteristic of the drum surface varies drastically depending on the surface temperature of the drum, this circuit detects the temperature of the drum[...]

e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 6 November 2003 © TOSHIBA TEC 11 11.5 Temperature/Humidity Sensor 11.5.1 General description This sensor measures the temperature and humidity inside the equipment. 11.5.2 Construction Temperature/humidity control circuit is configured as follows: Fig. 11-501 R TH + - + - V HUMI V TEMP CPU AN1 PB1 TEMP/H[...]

November 2003 © TOSHIBA TEC 11 - 7 e-STUDIO3511/4511 DRUM RELATED SECTION 11 11.6 Charger Wire Cleaner 11.6.1 Operation This equipment includes an automatic cleaning function with a motor drive to automatically clean off the toner adhered on the main charger wire. The drive from charger wire cleaner motor is transmitted to the wire cleaner through[...]

e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 8 November 2003 © TOSHIBA TEC 11 11.6.3 Drive circuit The circuit configuration is as shown below. Fig. 11-601 Signal level of motor circuit Signal level of switching circuit Signal ENVMT1-0 Wire cleaner drive signal-1 ENVMT2-0 Wire cleaner drive signal-2 OFF L L Reverse rotation L H Normal rotation H L [...]

November 2003 © TOSHIBA TEC 11 - 9 e-STUDIO3511/4511 DRUM RELATED SECTION 11 Fig. 11-701 Fig. 11-702 (5) Rotate the lever counterclockwise to screw it again. 11.7 Disassembly and Replacement [A] Cleaner unit (1) Open the front cover. Take off the toner bag and black developer unit cover ( Chapter 2.5.1 [A], 12.8 (A-1)). (2) Remove 1 screw and take[...]

e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 10 November 2003 © TOSHIBA TEC 11 (6) Disconnect 2 connectors. Remove 3 screws and washer and pull out the cleaner unit. Fig. 11-705 Washer Cleaner unit Notes: 1. When pulling out the drum cleaner unit, pull out straightly without leaning. 2. When pulling out the drum cleaner, check whether color develop[...]

November 2003 © TOSHIBA TEC 11 - 11 e-STUDIO3511/4511 DRUM RELATED SECTION 11 (B-2) Main charger grid (1) Push the terminal head at the front side and remove the grid. Note: Do not touch the mesh area of the grid . Fig. 11-710 [B] Main charger unit (B-1) Main charger unit (1) Take off the cleaner unit ( Chapter 11.7 [A]). (2) Rotate the gear count[...]

e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 12 November 2003 © TOSHIBA TEC 11 (2) Remove the terminal, detach the spring and take off the wire. Notes: Be careful of the followings when attaching the wire. 1. Securely insert the wire into the V- grooves of the front and rear sides. 2. Do not twist the wire. 3. Do not touch the wire directly with ba[...]

November 2003 © TOSHIBA TEC 11 - 13 e-STUDIO3511/4511 DRUM RELATED SECTION 11 (3) Take off the drum upward by sliding it toward the front side. Notes: 1. Do not touch, scratch or spit on the drum surface. 2. T r y to av oid direct sunlight to the dr um. Lay it on the dark place immediately after taking off . 3. Do not touch the drum thermistor dur[...]

e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 14 November 2003 © TOSHIBA TEC 11 [D] Cleaner (D-1) Drum cleaning blade (1) T ake off the main charger unit and drum. ( Chapter 11.7 (B-1) [C]) (2) Remove 3 screws and the cleaning blade. Notes: 1. Do not touch or damage the edge of the cleaning blade. 2. Check the color deviation after replacing the dru[...]

November 2003 © TOSHIBA TEC 11 - 15 e-STUDIO3511/4511 DRUM RELATED SECTION 11 Fig. 11-725 (3) Remove the discharge LED. [F] Discharge LED unit (F-1) Discharge LED (1) Take off the black developer unit and cleaner unit ( Chapters 12.8 [A] and 11.7 [A]). (2) Remove 2 screws and lift up the discharge LED unit. Disconnect 2 connectors, then take off t[...]

e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 16 November 2003 © TOSHIBA TEC 11 (F-2) Charger cleaner motor (1) Take off the discharge LED unit ( Chapter 11.7 (F-1)). (2) Disconnect the joint connector of the charger cleaner motor. ( 3) Remove 1 screw and take off the charger cleaner motor unit. (4) Remove 2 screws and take off the gear bracket and [...]

November 2003 © TOSHIBA TEC 11 - 17 e-STUDIO3511/4511 DRUM RELATED SECTION 11 Fig. 11-732 [G] Toner bag full detection sensors (G-1) Toner bag full detection sensor-1 (1) Take off the developer unit, cleaner unit and transfer belt unit ( Chapters 12.8 [A], 11.7 [A] and 14.7 [A]). (2) Remove 1 screw and disconnect 1 connector. Take off the toner ba[...]

e-STUDIO3511/4511 DRUM RELATED SECTION 11 - 18 November 2003 © TOSHIBA TEC 11 [H] Temperature/Humidity sensor (1) Take off the front cover, receiving tray and left cover ( Chapter 2.5.1 [A] [B] [F]). (2) Remove 2 screws and take off the inner cover. Fig. 11-735 Fig. 11-736 [I] Ozone filter (1) Remove 1 screw and take off the cover. (2) Pull out th[...]

November 2003 © TOSHIBA TEC 11 - 19 e-STUDIO3511/4511 DRUM RELATED SECTION 11 Fig. 11-738 Latch (4) Release 3 latches and take off the cover. Take off the ozone exhaust fan. F L O W[...]

e-STUDIO3511/4511 DR UM RELA TED SECTION 11 - 20 November 2003 © T OSHIBA TEC 11[...]

November 2003 © TOSHIBA TEC 12 - 1 e-STUDIO3511/4511 DEVELOPER UNIT 12 12. DEVELOPER UNIT 12.1 General Description In this equipment, the three color developers (Y, M and C) are installed in the revolver unit and the black developer is installed independently separated from the revolver unit. This special structure ensures the improved printing pr[...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 2 November 2003 © TOSHIBA TEC 12 12.3 Sectional View Fig. 12-301 Color auto-toner sensor Mixer Drum Developer sleeve Mixer Black developer unit Black auto-toner sensor Color developer unit Developer sleeve[...]

November 2003 © TOSHIBA TEC 12 - 3 e-STUDIO3511/4511 DEVELOPER UNIT 12 12.4 Black Toner Cartridge Drive Unit 12.4.1 General descriptions The black toner cartridge is filled with black toner, and supplies the toner to the black developer unit by rotating the toner cartridge with the drive of the toner motor. The black toner cartridge detection swit[...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 4 November 2003 © TOSHIBA TEC 12 12.5 Black Developer Unit 12.5.1 Functions a. Black developer material The developer material consists of the carrier and toner. The carrier is made of electrically con- ductive ferrites which is 30-100 µm and the toner is made of the resin particle which is 5-20 µm. Since th[...]

November 2003 © TOSHIBA TEC 12 - 5 e-STUDIO3511/4511 DEVELOPER UNIT 12 12.5.2 Black developer unit drive section The black developer motor drives the black developer unit. Connection and disconnection of the devel- oper motor drive is made by ON/OFF of the black developer drive clutch. The drive is connected when it is ON and disconnected when it [...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 6 November 2003 © TOSHIBA TEC 12 12.5.3 Black auto-toner sensor circuit (1) Functions of auto-toner circuit • Detection of the toner density in the developer material - density lowered → toner supplied • Detection of the toner being empty in the toner cartridge CPU AN2 DICH1 LDCH1 CLKCH1 PA 1 LCA301-1 A [...]

November 2003 © TOSHIBA TEC 12 - 7 e-STUDIO3511/4511 DEVELOPER UNIT 12 Magnetic resistance Drive winding Detection winding DC conversion circuit (Developer material) Magnetic circuit Auto-toner output Main CPU (LGC board) V ATS Fig. 12-504 (2) Functions of the black auto-toner sensor a. Initializing function: When unpacking and replacing the devel[...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 8 November 2003 © TOSHIBA TEC 12 When the toner density is low: Toner ratio to the carrier in the developer material decreases. → Magnetic resistance decreases. → Detection output increases. → Auto-toner output V ATS increases. When the toner density is high: Toner ratio to the carrier in the developer m[...]

November 2003 © TOSHIBA TEC 12 - 9 e-STUDIO3511/4511 DEVELOPER UNIT 12 12.5.4 Black developer unit lifting mechanism (1) General descriptions In the black developer unit, the drive from the developer motor is transmitted to cam with the black developer lifting clutch and this promotes the lifting movement of the black developer unit to contact or [...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 10 November 2003 © TOSHIBA TEC 12 12.6 Color Developer Unit 12.6.1 Functions a. Color developer material The developer material consists of the carrier and toner. The carrier is made of electrically conductive ferrites which is 30-100 µm and the toner is made of the resin particle which is 5-20 µm. Since the[...]

November 2003 © TOSHIBA TEC 12 - 11 e-STUDIO3511/4511 DEVELOPER UNIT 12 12.6.2 Color developer unit drive section The color developer motor drives the color developer unit. Connection and disconnection of the devel- oper motor drive is made by ON/OFF of the color developer drive clutch. The drive is connected when it is ON and disconnected when it[...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 12 November 2003 © TOSHIBA TEC 12 12.6.3 Color auto-toner sensor circuit (1) General descriptions The color auto-toner sensor detects the toner amount on the color developer sleeve with the reflec- tion-type photosensor, differing from the black auto-toner sensor. Light-receiving elements of diffuse reflection[...]

November 2003 © TOSHIBA TEC 12 - 13 e-STUDIO3511/4511 DEVELOPER UNIT 12 (2) Functions of the color auto-toner sensor a. Initializing function: When unpacking or replacing developer material This sensor automatically adjusts the light amount of sensor to make the detected value of toner density of new developer material by auto-toner sensor equal t[...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 14 November 2003 © TOSHIBA TEC 12 When the toner density is low: Toner ratio to the carrier in the developer material decreases. → The light reflection amount decreases. → Detection output (voltage) decreases. When the toner density is high: Toner ratio to the carrier in the developer material increases. ?[...]

November 2003 © TOSHIBA TEC 12 - 15 e-STUDIO3511/4511 DEVELOPER UNIT 12 12.7 High-Voltage Transformer Output Control Circuit Developer bias is supplied from high-voltage power supply to the developer sleeve and the toner image on the developer sleeve is transferred onto the photoconductive drum. A color developer bias and a black developer bias ar[...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 16 November 2003 © TOSHIBA TEC 12 12.8 Disassembly and Replacement [A] Black developer unit (A-1) Black developer unit (1) Open the front cover and take out the toner bag ( Chapter 2.5.1 [A]). (2) Turn the black developer unit lifting lever to the position where a clock hand could be at 9 o’clock. Remove 2 s[...]

November 2003 © TOSHIBA TEC 12 - 17 e-STUDIO3511/4511 DEVELOPER UNIT 12 (4) Pour the developer material. Note: When installing the upper cover, make sure the urethan seal is covered by the upper cover. (A-3) Auto-toner sensor (1) Discharge the developer material ( Chapter 12.8 (A-2)). (2) Disconnect 1 connector, remove 1 screw and take off the aut[...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 18 November 2003 © TOSHIBA TEC 12 (3) Remove 2 screws and take off the doctor blade. (A-5) Developer sleeve (1) Discharge the developer material ( Chapter 12.8 (A-2)). (2) Take off the right cover ( Chapter 12.8 (A-4)). (3) Remove 3 screws. Disconnect 1 connector and take off the front cover. (4) Remove 1 scre[...]

November 2003 © TOSHIBA TEC 12 - 19 e-STUDIO3511/4511 DEVELOPER UNIT 12 (7) Front side: Remove the following parts installed on the shaft of the developer sleeve in order: Bushing, collar, roller, bearing-1, E-ring, bearing-2 and oil seal. * Procedure for replacing an oil seal: Page 12-23 (8) Rear side: Remove the following parts installed on the [...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 20 November 2003 © TOSHIBA TEC 12 (5) Take off the mixer from the hole of front side. [B] Color developer unit (B-1) Developer material (1) Remove 2 screws, release 5 hooks and take off the toner holder by rotating it. Notes: 1. Do not try to release the hooks forcibly. Mixer Fig. 12-817 Fig. 12-818 2. When in[...]

November 2003 © TOSHIBA TEC 12 - 21 e-STUDIO3511/4511 DEVELOPER UNIT 12 (B-3) Developer sleeve (1) Discharge the developer material ( Chapter 12.8 (B-1)). ( 2 ) R emove the urethan seal ( Chapter 12.8 (B-2)). (3) Front side: Remove 1 screw and take off the polarity adjustment plate. Note: Before disassembling, record (mark if any) the scale pointe[...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 22 November 2003 © TOSHIBA TEC 12 (6) Remove the following parts installed on the shaft of the developer sleeve in order: E-ring, bearing, gear, bearing and oil seal. (7) Take off the developer sleeve. * Procedure for replacing an oil seal: Page 12-23 Fig. 12-827 Developer sleeve (B-4) Mixer (1) Discharge the [...]

November 2003 © TOSHIBA TEC 12 - 23 e-STUDIO3511/4511 DEVELOPER UNIT 12 <<Procedure for replacing an oil seal>> 1. Take off the oil seal by hooking out its inside with a fine screwdriver and such. 2. Push in a new oil seal parallel to the frame, bushing and so on with paying attention to its direction (as shown by the figure at right).[...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 24 November 2003 © TOSHIBA TEC 12 Fig. 12-832 Spring Spring [C] Black developer lifting unit (1) Take off the black developer toner supply unit ( Chapter 11.7 [K]). (2) Remove the harnesses from 5 harness clamps. Disconnect 3 connectors and remove 2 screws and 2 springs. Take off the black developer lifting un[...]

November 2003 © TOSHIBA TEC 12 - 25 e-STUDIO3511/4511 DEVELOPER UNIT 12 Fig. 18-835 Switch bracket [D] Black toner supply unit (1) Take off the laser optical unit ( Chapter 8.6 [A]). (2) Take off the transfer belt unit ( Chapter 14.7 [A]). (3) Take off the front cover ( Chapter 2.5.1 [A]). (4) Take off the toner bag ( Chapter 2.5.1 [A]). (5) Take [...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 26 November 2003 © TOSHIBA TEC 12 Toner case Harness Fig. 12-838 Fig. 12-839 (13) Take off the black toner cartridge. (14) Remove 2 screws, release the harness from the hook and pull out the toner case by rotating it a little. (15) Remove 2 screws. Toner supply unit Fig. 12-841 Fig. 12-840 Black toner cartridg[...]

November 2003 © TOSHIBA TEC 12 - 27 e-STUDIO3511/4511 DEVELOPER UNIT 12 Fig. 12-842 Fig. 12-843 Toner motor Cleaner rail stay (18) Remove 2 screws and take off the toner motor. [E] Black toner supply auger unit (1) Take off the black toner supply unit ( Chapter 11.7 [K]). (2) Take off the black developer lifting unit ( Chapter 12.8 [C]). (3) Remov[...]

e-STUDIO3511/4511 DEVELOPER UNIT 12 - 28 November 2003 © TOSHIBA TEC 12[...]

November 2003 © TOSHIBA TEC 13 - 1 e-STUDIO3511/4511 REVOLVER UNIT 13 13. REVOLVER UNIT 13.1 General Description The revolver unit has three colors (yellow, magenta and cyan) of developer units and three colors of toner cartridges inside. The revolver rotates 120 degrees in a clockwise direction to move each color developer unit to the developing [...]

e-STUDIO3511/4511 REVOLVER UNIT 13 - 2 November 2003 © TOSHIBA TEC 13 13.3 Functions (1) Revolver motor The revolver unit rotates with the drive of the revolver motor (two-phase stepping motor). The revolver home position sensor detects its home position. (2) Developer motor drive unit The developer motor drives the color developer unit and the to[...]

November 2003 © TOSHIBA TEC 13 - 3 e-STUDIO3511/4511 REVOLVER UNIT 13 13.4 Drive of Revolver Unit The drive from the revolver motor is transmitted to the gear at the external layer of the revolver unit rear side. Then the revolver unit rotates clockwise. Revolver motor (G15) Revolver unit (G135) Revolver home position sensor Fig. 13-401[...]

e-STUDIO3511/4511 REVOLVER UNIT 13 - 4 November 2003 © TOSHIBA TEC 13 13.5 Revolver Motor Drive Circuit 13.5.1 Revolver motor The revolver motor (two-phase stepping motor) drives over the DRV board circuit. SDK03M RVMA RVMB RVMC PWA-F-LGC Revolver Motor RVMD RVMA-0 RVMC-0 RVMB-0 RVMD-0 FET PG00 PG02 PG01 PG03 CPU PD1 PD3 PD2 LCA301 PWA-DRV SDK03M [...]

November 2003 © TOSHIBA TEC 13 - 5 e-STUDIO3511/4511 REVOLVER UNIT 13 13.6 Operation 13.6.1 Home position detection The revolver unit detects its home position at every warming-up after the power is turned ON or the front cover is opened/closed since this unit is driven by the stepping motor. The home position is the point where the revolver home [...]

e-STUDIO3511/4511 REVOLVER UNIT 13 - 6 November 2003 © TOSHIBA TEC 13 13.6.5 Color toner supply 1. The color developer unit whose toner needs to be supplied moves to the developing position. 2. The developer unit is driven and the toner is supplied for a regulated period of time. 3. The drive is stopped and the unit moves to the color toner densit[...]

November 2003 © TOSHIBA TEC 13 - 7 e-STUDIO3511/4511 REVOLVER UNIT 13 13.7 Disassembly and Replacement [A] Color toner cartridge (1) Rotate the revolver to the toner cartridge replacement position. Note: Perform the Test Mode (03) on the control panel. Yellow toner cartridge moves to the replacement position: 03-452 Magenta toner cartridge moves t[...]

e-STUDIO3511/4511 REVOLVER UNIT 13 - 8 November 2003 © TOSHIBA TEC 13 Fig. 13-705 [D] Color toner cartridge sensor (1) Take off the receiving tray ( Chapter 2.5.1 [B]). (2) Disconnect 1 connector and remove 1 screw and take off the color toner cartridge sensor with the whole bracket. Color toner cartridge sensor Connector (4) Loosen 2 screws on ea[...]

November 2003 © TOSHIBA TEC 13 - 9 e-STUDIO3511/4511 REVOLVER UNIT 13 (3) Remove 1 screw and take off the color toner cartridge sensor. [E] Color auto-toner sensor / Color auto-toner sensor shutter solenoid (1) Take off the receiving tray ( Chapter 2.5.1 [B]). (2) Disconnect 1 connector and remove 3 screws. Then take off the color auto-toner senso[...]

e-STUDIO3511/4511 REVOLVER UNIT 13 - 10 November 2003 © TOSHIBA TEC 13 (5 ) Remove 1 E-ring and shaft and take off the color auto-toner sensor case. (6) Remove 2 screws and take off the color auto- toner sensor. Fig. 13-710 Fig. 13-711 Shaft E-ring Color auto-toner sensor case Color auto-toner sensor [F] Revolver home position sensor (1) Disconnec[...]

November 2003 © TOSHIBA TEC 13 - 11 e-STUDIO3511/4511 REVOLVER UNIT 13 Fig. 13-715 Inner cover [H] Revolver unit (1) Take off all of the color developer units ( Chapter 13.7 [B]). (2) Take off the cleaner unit ( Chapter 11.7 [A]). Note: When taking off the cleaner, make sure that all the color developer units are taken off in advance. Otherwise th[...]

e-STUDIO3511/4511 REVOLVER UNIT 13 - 12 November 2003 © TOSHIBA TEC 13 Fig. 13-718 Stay Fig. 13-717 Lock lever Fig. 13-716 (12) Remove 2 screws and take off the laser cooling duct cover (front side). (13) Take off the developer motor drive unit ( Chapter 9.5 [A]). (14) Remove 1 screw and take off the lock lever. (15) Remove 5 screws and the stay. [...]

November 2003 © TOSHIBA TEC 13 - 13 e-STUDIO3511/4511 REVOLVER UNIT 13 Fig. 13-720 (19) Slide the revolver to the front and take off the bearing attached on the rear side of revolver rotary shaft from the rear frame. Take off the revolver unit with the bearing. Fig. 13-721 Fig. 13-719 Bracket (16) Remove 5 screws and take off the bracket. (17) Rem[...]

e-STUDIO3511/4511 REVOLVER UNIT 13 - 14 November 2003 © TOSHIBA TEC 13 Fig. 13-724 (3) Disconnect 1 connector and remove 2 screws. Then take off the internal cooling fan. [I] Internal cooling fan (1) Take off the receiving tray ( Chapter 2.5.1 [B]). (2) Disconnect 1 connector and remove 2 screws. Then take off the internal cooling fan together wit[...]

November 2003 © TOSHIBA TEC 14 - 1 e-STUDIO3511/4511 TRANSFER UNIT 14 14. TRANSFER UNIT 14.1 General Descriptions The transfer unit transfers the toner image formed on the photoconductive drum to the transfer belt, and then transfers it to the paper. The transfer of the toner image from the photoconductive drum to the transfer belt is called 1st t[...]

e-STUDIO3511/4511 TRANSFER UNIT 14 - 2 November 2003 © TOSHIBA TEC 14 14.3 Functions (1) Transfer belt The transfer belt is made by forming resin which has an electrical resistance with high precision. The main motor drive rotates the transfer belt drive roller and that makes to rotate the transfer belt as well. (2) 1st transfer roller When the 1s[...]

November 2003 © TOSHIBA TEC 14 - 3 e-STUDIO3511/4511 TRANSFER UNIT 14 (12) 2nd transfer roller contact clutch This clutch is an electromagnetic clutch which contacts or releases the 2nd transfer roller to the transfer belt. The 2nd transfer roller contacts when this clutch turns ON and releases when it turns OFF. Since the transport motor is its d[...]

e-STUDIO3511/4511 TRANSFER UNIT 14 - 4 November 2003 © TOSHIBA TEC 14 14.4 Outline of 1st transfer (1) The transfer belt contacts with the photoconductive drum. Power voltage is applied through the 1st transfer roller and it transfers the toner onto the transfer belt. (2) The transfer belt home position sensor-2 detects its home position and overl[...]

November 2003 © TOSHIBA TEC 14 - 5 e-STUDIO3511/4511 TRANSFER UNIT 14 14.6 High-Voltage Power Supply High-voltage power supply outputs the voltage of positive/negative polarity. When the voltage of positive polarity is supplied to the 2nd transfer roller, the toner will be supplied from the intermediary belt to the paper. When the voltage of negat[...]

e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 6 November 2003 © TOSHIBA TEC 14 Fig. 14-701 Fig. 14-702 Fig. 14-703 14.7 Disassembly and Replacement [A] Transfer belt unit Note: Wearing gloves is recommended to avoid direct touch by bare hands to the transfer belt surface. (1) Take off the drum cleaner unit ( Chapter 11.7 [A]). (2) Take off the re[...]

November 2003 © TOSHIBA TEC 14 - 7 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 Fig. 14-705 Fig. 14-706 Fig. 14-704 (8) Loosen 3 screws and take off the bracket. (9) Lift up the transfer belt cleaning unit and move it out to the front side temporarily. Then place the unit on the rear frame and front frame. (10) Pull out the transfer belt unit. Not[...]

e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 8 November 2003 © TOSHIBA TEC 14 (3) Remove 1 screw and 2 stand plates. Fig. 14-710 Stand plate (long) Stand plate (short) Fig. 14-709 [B] Transfer belt Note: Wearing gloves is recommended to avoid direct touch by bare hands to the transfer belt surface. (1) Take off the transfer belt unit ( Chapter 1[...]

November 2003 © TOSHIBA TEC 14 - 9 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 Fig. 14-711 Fig. 14-712 Fig. 14-713 Stand plate (short) Stay (4) Remove 2 screws and take off the bracket. (5) Install the stand plate (short) on the rear side of the transfer belt unit using the screw which is removed in step (3). (6) Stand the transfer belt unit with[...]

e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 10 Nov ember 2003 © TOSHIBA TEC 14 2 1 1 Fig. 14-715 Fig. 14-716 Fig. 14-717 Shaft Stay Transfer belt (9) Stand the transfer belt unit with its front side on the bottom. (10) Remove 3 screws. (1 1) Incline the transfer belt unit so that the shaft is pulled in the unit. Then remove the stay while the s[...]

November 2003 © TOSHIBA TEC 14 - 11 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 Fig. 14-719 Fig. 14-720 Fig. 14-718 Fig. 14-721 Cover Cover [D] Transfer belt home position sensor-1 (1) Take off the transfer belt ( Chapter 14.7 [B]). (2) Remove 1 screw and take off the cover. (3) Remove 1 screw and disconnect 1 connector. Then take off the transfe[...]

e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 12 Nov ember 2003 © T OSHIBA TEC 14 Fig. 14-724 Cover (3) Release 2 latches and take off the cov er . Fig. 14-722 Fig. 14-723 [F] Transfer belt cleaning unit (1) Take off the drum cleaner unit ( Chapter 11.6 [A]). Note: When installing the transfer belt cleaning unit, mak e sure to take off the drum c[...]

November 2003 © T OSHIBA T EC 14 - 13 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 Fig. 14-726 Fig. 14-727 Fig. 14-725 Bracket (4) Remov e 1 screw and take off the br acket on the front side. (5) Remov e 1 screw and tak e off the brac ket on the rear side. (6) Remove 2 springs. Note: When installing the transfer belt cleaning unit, after it’s co[...]

e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 14 Nov ember 2003 © T OSHIBA TEC 14 Fig. 14-732 [H] T ransfer belt c leaner auger motor / T ransf er belt c leaner clutc h (1) T ake off the tr ansfer belt cleaning unit ( Chapter 14.7 [F]). (2) Separate the transfer belt cleaning unit into 2 parts. ( Chapter 14.7 [G]). (3) Release the latch and take [...]

November 2003 © T OSHIBA T EC 14 - 15 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 Fig. 14-733 Fig. 14-734 (4) Remove the harness clamp. Remove 1 screw and take off the tr ansfer belt cleaner auger motor with the whole bracket. (5) Remov e 2 screws and take off the transf er belt cleaner auger motor from the bracket. Harness clamp T ransfer belt c[...]

e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 16 Nov ember 2003 © T OSHIBA TEC 14 Fig. 14-739 Fig. 14-740 (4) Remove each part from the 2nd transfer roller in order . Notes: 1. When assembling, pay attention to the direction of the collar-2. 2. After assembling, check if the bushing-1, bearing and collar-2 slide smoothly along the axis of the sha[...]

November 2003 © T OSHIBA T EC 14 - 17 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 Fig. 14-741 Fig. 14-742 (5) Open the 2nd transfer unit. Disconnect 2 connectors, then remove 1 screw and the ground wire. Remove 1 harness clamp. (6) T ake off the 2nd transf er unit. Ground wire Connector Harness clamp 2nd transfer unit Fig. 14-744 Fig. 14-743 [K] [...]

e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 18 Nov ember 2003 © T OSHIBA TEC 14 Fig. 14-747 Fig. 14-748 [L ] 2nd transfer roller position detection sensor (1) T ake off the 2nd transf er unit ( Chapter 14.7 [J]). (2) T ake off the case ( Chapter 14.7 [K]). (3) Disconnect 1 connector . Then take off the 2nd transfer roller position detection sen[...]

November 2003 © T OSHIBA T EC 14 - 19 e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 Fig. 14-749 (4) Remov e 1 screw . Then take off the paper clinging detection sensor from the bracket. Paper clinging detection sensor Bracket 04/05[...]

e-STUDIO3511/4511 TRANSFER/TRANSPORT UNIT 14 - 20 Nov ember 2003 © TOSHIBA TEC 14[...]

November 2003 © TOSHIBA TEC 15 - 1 e-STUDIO3511/4511 IMAGE QUALITY CONTROL 15 15. IMAGE QUALITY CONTROL 15.1 General Description In this equipment, image quality is controlled by the image quality sensor. At this control, image forming conditions are automatically adjusted so as to minimize the change in the image density or tone repro- duction ca[...]

e-STUDIO3511/4511 IMAGE QUALITY CONTROL 15 - 2 November 2003 © TOSHIBA TEC 15 15.3 Flow Chart of Control Procedure Start of control procedure (when meeting the image quality control starting conditions such as power-ON) [1] The surface potential of photoconductive drum is estimated with the drum thermistor and tempera- ture/humidity sensor. [2] Re[...]

November 2003 © TOSHIBA TEC 15 - 3 e-STUDIO3511/4511 IMAGE QUALITY CONTROL 15 15.4 Construction · Image quality sensor: Projects the amount of light on the transfer belt and outputs the voltage corresponding to the reflected light amount from the transfer belt or the toner image on the transfer belt. · D/A converter: Converts light source amount[...]

e-STUDIO3511/4511 IMAGE QUALITY CONTROL 15 - 4 November 2003 © TOSHIBA TEC 15 15.5 Disassembly and Replacement [A ] Image quality sensor / Image quality sensor shutter solenoid (1) Take off the fuser unit ( Chapter 16.7 [A]). Take off the transfer belt unit ( Chapter 14.7 [A]). (2) Open the 2nd transfer cover. Remove 2 screws and disconnect 2 conn[...]

November 2003 © TOSHIBA TEC 16 - 1 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 16. FUSER UNIT / PAPER EXIT SECTION 16.1 General Description Toner is fused by applying heat and pressure on the transferred image on the paper which is transported to the fuser unit. The paper is then transported to the receiving tray, paper exiting options or A[...]

e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 2 November 2003 © TOSHIBA TEC 16 16.3 Functions (1) IH coil (IH: Induction Heating) The IH coil is inside the fuser roller and applies the induction heating to the fuser roller. This IH coil is divided into two parts; the main IH coil heating the center of the fuser roller and the sub IH coil he[...]

November 2003 © TOSHIBA TEC 16 - 3 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 (8) Cleaning roller / Oil roller Silicone oil is contained inside of the oil roller to supply a proper amount of oil to the fuser belt, and this enables to remove the residual toner and paper dust (preventing offsetting phenomenon). Also, the cleaning roller is a[...]

e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 4 November 2003 © TOSHIBA TEC 16 16.4 Heater Control Circuit 16.4.1 Configuration N L CPU T emperature control circuit 250˚C upper limit circuit LGC IH 5V SW 5V SW Main thermistor Sub thermistor Coil Fuser roller Coil output Fuse AC input Thermostat Noise filter Breaker Power code Front edge th[...]

November 2003 © TOSHIBA TEC 16 - 5 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 16.4.2 Heating principle of IH Heater The magnetic field is generated by applying a high frequency current to the IH coil inside the fuser roller, which then generates the eddy current in it. When the eddy current flows, the Joule heat is generated by the resista[...]

e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 6 November 2003 © TOSHIBA TEC 16 CN No. CN455-2 CN455-3 CN455-4 CN455-5 CN455-6 CN455-7 CN455-8 CN455-1 CN456-1 CN456-4 CN456-5 CN456-2 CN456-3 Name of single +5VSW H1PWR1 H1PWR2 H1PWR3 H2PWR1 H2PWR2 H2PWR3 IH2 ON IH1 ON H1ERR1 H1ERR2 SG IHDUTY Direction LGC to IH LGC to IH IH to LGC LGC to IT D[...]

November 2003 © TOSHIBA TEC 16 - 7 e-STUDIO3511/4511 FUSER UNIT/P APER EXIT SECTION 16 16.4.4 Relation between system configuration and IH output for NAD, SAD, TWD: * RADF: Rev ersing automatic document feeder , FIN: Finisher , HPU: Hole punch unit, LCF: Large capacity f eeder , F AX: F AX unit (*1) The wattage lowers 50 W more when the scanning i[...]

e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 8 November 2003 © TOSHIBA TEC 16 16.4.5 Temperature detection section To maintain the stable temperature of the fuser belt, the thermistor detects the temperature and controls ON/OFF of the IH coil. Output from the thermistors is used to detect the abnormality. (1) Relation between the thermisto[...]

November 2003 © TOSHIBA TEC 16 - 9 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 (4) Temperature control at energy saving mode This equipment has the following two types of temperature control for saving energy and returns to ready status to perform printing in each mode upon printing request. The period of time from the printing request to t[...]

e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 1 0 November 2003 © TOSHIBA TEC 16 Reference * The thermistor/heater status counter never has values other than 0 to 19. • If the IH coil does not turn ON and the service call [C410] is displayed immediately after the power is ON, ensure the thermistor/heater status counter is “2” or over.[...]

November 2003 © TOSHIBA TEC 16 - 11 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 (6) Temperature detection configuration Thermistor is a device whose resistance decreases as it detects a higher temperature. Thus its input voltage to CPU changes and then CPU judges whether this change is normal or abnormal. If one of the fuser belt thermistor[...]

e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 1 2 November 2003 © TOSHIBA TEC 16 Checking timing Power ON Detecting 40°C Detecting 100°C Detecting 160°C Detecting ready temperature During ready status At energy saving mode During printing At paper jam Condition 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Main thermistor 250°C or above - 40°C or be[...]

November 2003 © TOSHIBA TEC 16 - 13 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 16.4.6 Abnormality in the IH control circuit When an abnormality is detected in the IH control circuit, it stops the power supply to the IH coil and displays a message “Call for service”. (1) IH control circuit CPU output level of the IH control circuit chan[...]

e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 1 4 November 2003 © TOSHIBA TEC 16 Error content Initial abnormality IH power voltage abnormality IGBT high temperature abnormality / Continuous energization (15 sec.) IH circuit/coil abnormality IH power voltage abnormality IGBT high temperature abnormality / Continuous energization (15 sec.) I[...]

November 2003 © TOSHIBA TEC 16 - 15 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 16.5 Control Circuit of Exit Motor The following is the control circuit of the exit motor. The exit motor is a stepping motor. The motor is turned ON/OFF and the direction of its rotation is switched by controlling the output timing of pulse signal (A0·A1·B0·[...]

16 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 1 6 November 2003 © TOSHIBA TEC Fig. 16-701 Fig. 16-702 Fig. 16-703 Fig. 16-704 Transport guide Jam access cover Cleaning unit 16.7 Disassembly and Replacement [A] Fuser unit (1) Take off the IH terminal cover ( Chapter 2.5.1 [K]) ( 2 ) Disconnect 2 connectors and 4 faston terminals. Notes: 1[...]

16 November 2003 © TOSHIBA TEC 16 - 17 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION Fig. 16-705 Fig. 16-706 Fig. 16-708 (6) Remove 1 bushing from each side of the oil roller. Spring (B) (4) Remove spring (B) on each end of the oil roller. (5) Take off the oil roller. - Front side - - Rear side - Note: Install the oil roller according to the mar[...]

16 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 1 8 November 2003 © TOSHIBA TEC Fig. 16-711 Fig. 16-712 C S Bracket Spring Spring E-ring Fig. 16-710 [D] IH coil (1) Take off the fuser unit ( Chapter 16.7 [A]). (2) Release the harnesses from 5 harness clamps. Then remove 1 E-ring, 1 bushing and 2 screws. (3) Pull out the bracket and IH coil[...]

16 November 2003 © TOSHIBA TEC 16 - 19 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION Fig. 16-715 Fig. 16-716 Bracket Fig. 16-714 Bearing (5) Remove 1 bearing. (6) Insert a flat-head screwdriver into the slit of the fuser belt guide on the rear side. Then slide the plate while opening the slit by the flat-head screwdriver. Take off the fuser belt[...]

16 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 2 0 November 2003 © TOSHIBA TEC Fig. 16-720 Fig. 16-719 (4) Remove 1 screw and take off the bracket on the rear side. Fuser belt unit Fig. 16-718 [F] Fuser belt (1) Take off the fuser roller ( Chapter 16.7 [E]). (2) Lift up the fuser belt unit and take it off. Note: Be careful not to scratch [...]

16 November 2003 © TOSHIBA TEC 16 - 21 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION Fig. 16-724 Note: When installing the fuser belt, place a sheet of paper between the separation plate and fuser belt in order to prevent the fuser belt from being scratched by the separation plate. Keep the paper between then until the fuser roller is installed.[...]

16 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 2 2 November 2003 © TOSHIBA TEC Fig. 16-728 Fig. 16-727 Separation finger unit Separation finger Fig. 16-726 Spring (4) Remove 2 springs. (5) Remove 2 screws and take off the separation finger unit. (6) Remove the spring of each separation finger. Spring Fig. 16-725 (3) Confirm that the press[...]

16 November 2003 © TOSHIBA TEC 16 - 23 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION Fig. 16-732 Fig. 16-731 Cleaning unit Thermostat unit Pressure roller Fig. 16-730 Bushing Bearing Ring (4) Remove each 1 ring, 1 bearing and 1 bushing on both front and rear sides of the pressure roller. [I] Thermostat (1) Take off the fuser unit ( Chapter 16.7 [...]

16 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 2 4 November 2003 © TOSHIBA TEC Fig. 16-736 Notes: When installing, pay attention to the followings: 1. Make sure to fix the thermostat, and then harness terminal in order on the bracket. 2. Make sure to keep the gap between the fuser roller and thermostat is 0.7 mm to 2.0 mm while the fuser [...]

16 November 2003 © TOSHIBA TEC 16 - 25 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION Fig. 16-740 Fig. 16-738 Fig. 16-739 [K] Exit sensor / Exit finger / Transport guide (1) Take off the fuser unit ( Chapter 16.7 [A]). (2 ) Open the jam access cover and transport guide. (3) Remove 3 screws and take off the cover (A). (4) Remove 1 screw and plate [...]

16 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 2 6 November 2003 © TOSHIBA TEC Fig. 16-743 Bushing E-ring Fig. 16-742 Exit roller cover (8) Remove 1 screw. (9) Enlarge the frame and take off the transport guide. [L] Exit roller (1) Take off the fuser unit ( Chapter 16.7 [A]). (2) Open the jam access cover of the fuser unit. (3) Remove 2 s[...]

16 November 2003 © TOSHIBA TEC 16 - 27 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION Fig. 16-747 Fig. 16-748 IH board IH control board cooling fan cover Fig. 16-745 Fig. 16-746 IH board cover Connector IH board case Connector [M] IH control PC board (IH board) (1) Take off the SYS board case ( Chapter 2.5.2 [C]). (2) Take off the flywheel ( Chap[...]

16 e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 2 8 November 2003 © TOSHIBA TEC (3) Disconnect 1 connector and take off the IH control board cooling fan. FLO W IH control board cooling fan Fig. 16-749 Connector Fig. 16-750 Fig. 16-751 Fig. 16-752 [O] Scraper (1) Take off the fuser unit ( Chapter 16.7 [A]). (2) Remove 2 screws and take off [...]

17 November 2003 © TOSHIBA TEC 17 - 1 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17. AUTOMATIC DUPLEXING UNIT (ADU) 17.1 General Description The Automatic Duplexing Unit (ADU) is a unit to automatically print on both sides of paper. A switchback method using the exit roller is adopted for the ADU of this equipment. A sheet of paper is switchbacked[...]

e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 2 November 2003 © TOSHIBA TEC 17 17.2 Description of Operations The back side printing (recording data of the back side of paper) is performed first by selecting duplex printing mode and pressing the [START] button. When the trailing edge of the paper passes the exit gate, the paper is switchbacked b[...]

17 November 2003 © TOSHIBA TEC 17 - 3 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT (a) Single-paper circulation With the paper larger than A4/LT size, duplex printing (back-side printing → front-side printing) is performed for one sheet at a time as shown below. Fig. 17-201 ( 1 )( 2 )( 3 ) ( 4 )( 5 )( 6 ) ( 7 )( 8 )( 9 ) 2 2 2 4 4 4 4 1 2 2 1 1 2 [...]

e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 4 November 2003 © TOSHIBA TEC 17 (b) Double-paper alternateness circulation With A4/LT size paper or smaller, duplex printing is performed for two sheets at a time as shown below. Back side of the 1st sheet → Back side of the 2nd sheet → Front side of the 1st sheet → Front side of the 2nd sheet[...]

17 November 2003 © TOSHIBA TEC 17 - 5 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT (c) Multiple-paper circulation With more than one sheet of A4/LT size paper or smaller, duplex printing is performed as shown below in a following order: (In case of 5 sheets) Back side of the 1st sheet ( 2 ) → Back side of the 2nd sheet ( 4 ) → Front side of the [...]

e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 6 November 2003 © TOSHIBA TEC 17 Timing chart for duplex copying from upper drawer (A4, 3 sheets) 7430 9060 9670 11055 11655 11985 13235 14870 5955 6990 8200 9230 10440 11465 11760 12795 14000 15030 16240 17270 0 5810 5950 8050 8785 10285 10420 11615 11905 13850 14795 16070 4835 5895 7075 Exit sensor[...]

17 November 2003 © TOSHIBA TEC 17 - 7 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT Timing chart for duplex copying from upper drawer (A3, 1 sheet) 8510 10125 10690 12135 6040 8070 11510 13840 0 6900 10050 12660 4915 6990 10690 12765 8990 10185 10690 12135 9405 11955 8830 11240 Exit sensor Registration sensor Registration clutch ADU entrance sensor A[...]

e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 8 November 2003 © TOSHIBA TEC 17 17.3 Drive of ADU When the ADU motor rotates to the direction A, the upper transport roller is rotated driven by the gears and belt. The ADU clutch is then turned ON and the middle transport roller and lower transport roller are rotated. Upper transport roller Middle [...]

17 November 2003 © TOSHIBA TEC 17 - 9 e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17.4 Flow Chart Fig. 17-401 Yes Yes A ADU transport jam ( E520 ) ADU clutch ON No No Yes No ADU transport jam ( E510 ) ADU entrance sensor ON? ADU motor ON Specified time has passed Specified time has passed Exit motor reverse rotation ON Specified time has passed ( P[...]

e-STUDIO3511/4511 AUTOMATIC DUPLEXING UNIT 17 - 10 November 2003 © TOSHIBA TEC 17 Fig. 17-402 Yes Yes ADU misfeeding ( E110 ) Registration process completed ADU motor stopped ADU clutch OFF No No ADU paper feeding command signal received ADU feeding operation started Next paper is ready for the registration Registration sensor ON? Registration in [...]

November 2003 © TOSHIBA TEC 18 - 1 e-STUDIO3511/4511 POWER SUPPLY UNIT 18 18. POWER SUPPLY UNIT 18.1 Construction The power supply unit consists of an AC filter and insulation type DC output circuits. (1) AC filter Eliminates noise from the outside and prevents the noise generated by the equipment from leaking to the outside. (2) DC output circuit[...]

e-STUDIO3511/4511 POWER SUPPLY UNIT 18 - 2 November 2003 © TOSHIBA TEC 18 18.3 Output Channel The followings are four output channels which are not linked with the door switch. (1) +3.3V +3.3VA : CN464 Pins 13, 14, 15 and 16 Output to the SYS board +3.3VB : CN464 Pins 19 and 20 Output to the SYS board +3.3VB : CN466 Pin 3 Output to the LGC board +[...]

November 2003 © TOSHIBA TEC 18 - 3 e-STUDIO3511/4511 POWER SUPPLY UNIT 18 The followings are two output channels which are linked with the door switch. (1) +5.1V +5.1VD : CN466 Pins 11 and 12 Output to the LGC board (2) +24V +24VD1 : CN465 Pins 1 and 2 Output to the LGC board, CCL board (via LGC board), Bridge unit (via LGC board) +24VD1 : CN469 P[...]

e-STUDIO3511/4511 POWER SUPPLY UNIT 18 - 4 November 2003 © TOSHIBA TEC 18 Voltage Board/Unit Part Fuse type +24VD1 LGC Polygonal motor F3:8A (Semi time-lag) Tray-up motor ADU motor Main motor Developer motor Transport motor Drum cleaner brush motor Transfer belt cleaner auger motor Toner motor Laser unit cooling fan 2nd transfer roller contact clu[...]

November 2003 © TOSHIBA TEC 18 - 5 e-STUDIO3511/4511 POWER SUPPLY UNIT 18 18.5 Configuration of Power Supply Unit IH F1 F2 Reg. Reg. +24VD1 CN470 Po wer supply cooling fan +24VD4 CN467 SLG board, SD V board +5.1VD CN466 LGC board +3.3V A CN464 SYS board +5.1V A CN464 SYS board +12VB CN466 LGC board +12V A CN464 SYS board +24VD5 CN468 Finisher +24V[...]

e-STUDIO3511/4511 POWER SUPPLY UNIT 18 - 6 November 2003 © TOSHIBA TEC 18 OFF ON AC input 0ms to 200ms PWR-DN 700ms or lower 20ms or higher PWR-EN 18.6 Sequence of Power Supply Max. 20ms 0ms to 200m s 200ms or lower 200ms or lower 0 ms to 200ms 20ms or higher 10ms or higher 50ms or higher 5ms or higher 5ms or higher 0ms or higher 0ms or higher 10m[...]

November 2003 © TOSHIBA TEC 18 - 7 e-STUDIO3511/4511 POWER SUPPLY UNIT 18 18.7 AC Wire Harness 1 2 1 2 1 2 1 2 RY PWA-F-FIL SCANNER THERMO-SCN-DH 1 1 2 2 SCN-L-DH SCN-R-DH 1 2 3 1 2 3 J652 J657 J433 J595 J656 J662 J655 J653 J622 J431 J432 J60 J63 J64 J61 J62 AC ( N:SCN ) SG +5.1VB AC ( N ) AC ( L ) AC ( L:SCN ) THERMO-DRM-DH THERMO-FSR +5.1VB SG +[...]

e-STUDIO3511/4511 POWER SUPPLY UNIT 18 - 8 November 2003 © TOSHIBA TEC 18[...]

November 2003 © TOSHIBA TEC 19 - 1 e-STUDIO3511/4511 PC BOARDS 19 19. PC BOARDS (1) PWA-F-SYS[...]

e-STUDIO3511/4511 PC BOARDS 19 - 2 November 2003 © TOSHIBA TEC 19 (2) PWA-F-LGC[...]

November 2003 © TOSHIBA TEC 19 - 3 e-STUDIO3511/4511 PC BOARDS 19 (3) PWA-F-SLG (4) PWA-F-CCD (5) PWA-F-SDV[...]

e-STUDIO3511/4511 PC BOARDS 19 - 4 November 2003 © TOSHIBA TEC 19 (7) PWA-F-CCL (6) PWA-F-DRV[...]

November 2003 © TOSHIBA TEC 19 - 5 e-STUDIO3511/4511 PC BOARDS 19 (8) PWA-F-LDR (9) PWA-F-SNS (10) PWA-F-ADU[...]

e-STUDIO3511/4511 PC BOARDS 19 - 6 November 2003 © TOSHIBA TEC 19 (11) PWA-F-DSP (12) PWA-F-KEY[...]

November 2003 © TOSHIBA TEC 19 - 7 e-STUDIO3511/4511 PC BOARDS 19 (13) PWA-F-FIL (* NAD/SAD/TWD models: Standard) (14) PWA-F-FUS (* ASD/AUD/CND models: Standard, MJD model: Option)[...]

e-STUDIO3511/4511 PC BOARDS 19 - 8 November 2003 © TOSHIBA TEC 19[...]

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1-1, KANDA NISHIKI-CHO, CHIYODA-KU, TOKYO, 101-8442 JAPAN[...]