Canon QY8-1360-000 manual

QY8-1360-000 REVISION 0 COPYRIGHT  1998 CANON INC. CANON BJC-7100 1098 AB 5.00-0 PRINTED IN JAPAN (IMPRIME AU JAPON) OCT. 1998[...]

1098 AB 5.00-0[...]

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Target Readers This manual is published by Canon Inc. for qualified persons and contains the necessary technical information for technical theory, installation, maintenance, and repair of products. This manual covers all localities where the products are sold. For this reason, it may contain information that does not apply to your locality. Revisio[...]

I I. ABOUT THIS MANU AL This manual is divided into five parts containing the information required for servicing the BJC- 7100 printer. P ar t 1: Saf ety and Precautions This part contains information on how to service the unit safely. It is very important, and must be read. P art 2: Product Specifications This part outlines the product and its spe[...]

II. T ABLE OF CONTENTS Page P art 1: SAFETY AND PRECA UTIONS 1 - 1 1. SAFETY PRECAUTIONS 1 - 1 1.1 Moving Parts 1 - 2 1.2 Front Cover 1 - 3 1.3 Ink Stains 1 - 3 1.3.1 Ink path 1 - 4 1.3.2 Ink mist 1 - 5 1.4 Live Parts 1 - 6 1.5 BJ Cartridge Metal Plate 1 - 7 2. MACHINE PRECAUTIONS 1 - 7 2.1 BJ Cartridge Handling 1 - 7 2.1.1 Unpacking the BJ cartrid[...]

Page 2 -11 2.2.2 Printing range 2 -12 2.3 Interface Specifications P art 3: OPERA TING INSTR UCTIONS 3 - 1 1. PRINTER SETUP 3 - 1 1.1 Unpacking 3 - 2 1.2 Installation Location 3 - 3 1.3 Installation 3 - 3 1.3.1 Connecting the interface cable 3 - 3 1.3.2 Connecting the power supply 3 - 4 1.3.3 Installing the BJ cartridge 3 - 6 1.3.4 Replacing the in[...]

Page 4 - 8 2.2 Print Modes 4 - 9 2.2.1 Plain paper optimized printing mode (P-POP) 4 - 9 2.2.2 Economy print mode (Draft mode) 4 - 9 2.2.3 Standard mode 4 - 9 2.2.4 High quality and fine mode 4 -10 2.2.5 Print mode settings 4 -11 2.3 Smoothing Function 4 -11 2.4 Print Optimization Controls 4 -11 2.4.1 Power monitor 4 -11 2.4.2 Head sticking prevent[...]

Page 5 - 2 2.1 List of Tools 5 - 3 3. APPLYING GREASE 5 - 4 4. DISASSEMBLY AND REASSEMBLY 5 - 4 4.1 Disassembly and Reassembly 5 - 4 4.2 Notes on Disassembly and Reassembly 5 - 4 4.2.1 Main cover 5 - 4 4.2.2 Carriage unit 5 - 5 4.2.3 Bearings at ends of support shaft 5 - 5 4.2.4 Purge unit and bottom case assembly 5 - 5 4.2.5 Securing idler pulley [...]

III. ILLUSTRA TION INDEX Page P art 1: SAFETY AND PRECA UTIONS 1 - 1 Figure 1 - 1 The Printer's Moving Parts 1 - 2 Figure 1 - 2 Front Cover 1 - 3 Figure 1 - 3 Ink Path 1 - 4 Figure 1 - 4 BC-62e Photo and BC-61 1 - 4 Figure 1 - 5 Ink Mist 1 - 5 Figure 1 - 6 AC Adapter 1 - 6 Figure 1 - 7 BJ Cartridge Metal Plate 1 - 7 Figure 1 - 8 Removing the B[...]

Page 3 -18 Figure 3 -19 Hidden Control Sheet (Sample) 3 -20 Figure 3 -20 Nozzle Check Pattern (Sample) 3 -22 Figure 3 -21 Service Mode Test Print (Sample) 3 -23 Figure 3 -22 EEPROM Data Print (Sample) P art 4: TECHNICAL REFERENCE 4 - 1 Figure 4 - 1 Printer Block Diagram 4 - 2 Figure 4 - 2 Flowchart of Initialization Sequence 4 - 3 Figure 4 - 3 Prin[...]

Page 5 -10 Figure 5 -12 Thickness Gauge Setting 5 -10 Figure 5 -13 Check the Head Gap 5 -11 Figure 5 -14 Adjust the Head Gap 1 5 -12 Figure 5 -15 Adjust the Head Gap 2 5 -37 Figure 5 -16 Logic Board 5 -39 Figure 5 -17 Carriage Board 5 -44 Figure 5 -18 Logic Board (Face) 5 -44 Figure 5 -19 Component Board (Back) 5 -45 Figure 5 -20 Carriage Board (Fa[...]

IV . T ABLE INDEX Page P art 2: PRODUCT SPECIFICA TIONS 2 - 5 Table 2 - 1 BJ Cartridge vs Print Mode 2 -10 Table 2 - 2 Paper Specifications 2 -12 Table 2 - 3 IO Signals Compatible Mode 2 -13 Table 2 - 4 IO Signals in Nibble Mode 2 -13 Table 2 - 5 IO Signals in ECP Mode P art 3: OPERA TING INSTR UCTIONS 3 - 9 Table 3 - 1 Printer Paper Settings 3 -14[...]

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Part 1 SAFETY AND PRECAUTIONS Page 1 - 1 1. SAFETY PRECAUTIONS 1 - 1 1.1 Moving Parts 1 - 2 1.2 Front Cover 1 - 3 1.3 Ink Stains 1 - 5 1.4 Live Parts 1 - 6 1.5 BJ Cartridge Metal Plate 1 - 7 2. MACHINE PRECAUTIONS 1 - 7 2.1 BJ Cartridge Handling 1 - 9 2.2 Ink Tank Handling 1 -10 2.3 Printer Handling 1 -12 3. NOTES ON SERVICING 1 -12 3.1 EEPROM Data[...]

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1. SAFETY PRECA UTIONS 1.1 Moving P arts Be careful not to let your fingers, hair, clothing, accessories, etc., become caught up in the moving parts of the printer. There are moving parts associated with the carriage motor and paper feed motor. Carriage motor Carriage belt, idler pulleys, and carriage Paper feed motor Paper feed roller, pressure ro[...]

1.2 Fr ont Cover Hold the front part of the front cover to open and close the cover. Be careful not to pinch your fingers between the front and main cover when closing the front cover. P ar t 1: Saf ety and Precautions BJC-7100 1-2 Figure 1-2 Fr ont Cover[...]

1.3 Ink Stains 1.3.1 Ink path Be careful not to touch the ink path as it may stain your hands, clothes, printer, work table etc., during servicing. The ink path consists of the BJ cartridge nozzles, head cap, waste ink tube, head wiper, cleaner unit, maintenance jet receiving section, and waste ink absorber. CA UTION Although the ink and ink optimi[...]

The joints and ink outlets of the respective ink tanks of the photo BJ cartridge [BC- 62e Photo] and color BJ cartridge [BC-61] are also part of the ink path and must be handled with care. Unless absolutely necessary, do not remove the ink tanks from a BJ cartridge, since air may enter the ink path and have a negative effect on print quality. The B[...]

1.4 Live P ar ts When the plug of the printer's AC adapter is plugged into a live power outlet, the power supply unit of the printer is live regardless of the power being set to ON or OFF using the POWER button. Be careful not to get on electric shock if you are checking the printer operation with the covers off. CA UTION Do not attempt to dis[...]

1.5 BJ Cartridg e Metal Plate Do not touch the BJ cartridge's metal plate as it may be very hot. The metal plate heats up during printing and becomes particularly hot during heavy duty printing. CA UTION Danger! High Temperature! Do not touch. The printer has the following protective mechanisms to detect overheating: 1. Overheat detection when[...]

2. MA CHINE PRECA UTIONS 2.1 BJ Cartridg e Handling 2.1.1 Unpac king the BJ cartridg e Do not unpack the BJ cartridge until you are ready to use it. Before installing the BJ cartridge in the printer, remove the cap protecting the nozzles and gently peel off the protective tape. Do not attempt to reuse the cap or the tape after they have been remove[...]

2.1.3 P ower on/off When the printer is turned off with the POWER button, the printer automatically caps the BJ cartridge's nozzles for protection and to prevent ink leakage. If the AC adapter is unplugged before the printer is turned off with the POWER button, the nozzles may not be capped. In this case, plug the AC adapter again, start up th[...]

2.1.5 Ink electr oconductivity The ink used in the BJ cartridge can conduct electricity. If any ink leaks into the printer's mechanical parts, use paper towels, etc., to wipe clean. If the ink leaks onto the printer's electrical components, use tissue paper, etc., to wipe clean. If the ink gets to the IC chips on the PCB, or if it is too [...]

2.3 Printer Handling 2.3.1 Spurs Take care not to bend the tips of the spurs. The spurs that transport and eject the paper after printing are very small and can easily be deformed. If a spur is deformed, its contacting surface with the printed paper increases, creating a dotted line. 2.3.2 Damage due to static electricity The static charge accumula[...]

2.3.3 Ink leakage and dry-out Make sure a BJ cartridge is installed before turning off the power, using the POWER button. When you turn off the printer using the POWER button, the printer automatically performs the following operations: Cleaning Any ink left in the purge unit or in the nozzles of the BJ cartridge is removed. Capping To prevent ink [...]

3. NO TES ON SER VICING 3.1 EEPROM Data The printer stores the function settings and keeps track of various information including the total sheets printed, the number of cartridge replacements, the total waste ink amount, and the head position adjustment values. The data is stored in the EEPROM on the logic board. Note the following precautions dur[...]

3.2 Service Mode of Printer Driver There are certain printer driver control functions, described below, that are, in principle, hidden from the end user. These service mode functions, which must be used with caution, are provided for service purposes only. See "Part 3: 3.3.2 Service mode of printer driver" (page 3-18) for details. 3.3 Pro[...]

3.4 Static Electricity The electrostatic charge accumulated in clothing can damage electrical components and alter their electrical characteristics. Before disassembling the printer to service it, use a wriststrap or other grounded metal object to discharge the static electricity. The following parts must not be touched before you have discharged t[...]

3.5 Disassembl y and Assembl y 3.5.1 P ar ts that cannot be disassembled Do not disassemble the ribbon cable to the head on the carriage unit. The position in relation to the contacts with the BJ cartridge is factory adjusted, and cannot be readjusted during printer servicing. In addition, do not attempt to disassemble the AC adapter, BJ cartridge,[...]

P ar t 1: Saf ety and Precautions BJC-7100 1-16 This page intentionally left b lank[...]

Part 2 PRODUCT SPECIFICATIONS Page 2 - 1 1. PRODUCT OUTLINE 2 - 1 1.1 Outline 2 - 2 1.2 Features 2 - 3 1.3 BJ Cartridge 2 - 6 1.4 SB-60 BJ Cartridge Container 2 - 6 1.5 Consumables 2 - 7 2. SPECIFICATIONS 2 - 7 2.1 General Specifications 2 -10 2.2 Paper Specifications 2 -12 2.3 Interface Specifications[...]

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1. PR ODUCT OUTLINE 1.1 Outline The BJC-7100 is a personal desktop color bubble-jet printer that uses a new 600dpi BJ cartridge and technology to achieve outstanding print quality and photographic realism. The printing process uses an ink optimizer to enable water resistance printing on plain paper. The BJC-7100 printer uses new accurate photo BJ c[...]

1.2 Features 1. The new 600dpi BJ cartridge provides high-resolution printing at up to 1200 (H) × 600 (V) dpi when using the exclusive printer driver. There are three types of new BJ cartridge: BC-60, BC-62e Photo, and BC-61. (Note that the BJ cartridge configuration differs according to the country.) 2. The printer is equipped with two BJ cartrid[...]

1.3 BJ Cartridg e 1.3.1 Blac k BJ cartridg e (BC-60) The BC-60 BJ cartridge is used for monochrome printing and for printing using the ink optimizer. It is a head and ink tank integrated type, disposable BJ cartridge consisting of a unified BJ head and ink tanks for black ink and ink optimizer. There are two parallel BJ heads, each with 304 nozzles[...]

1.3.2 Photo BJ cartridg e (BC-62e Photo) The BJ head for the BC-62e Photo has been modified to considerably improve the ink jet emission precision. The BC-62e Photo BJ cartridge is used for photo-realism (super photo mode) (when printing photographs with substantial numbers of half-tones and light colors). The cartridge consists of a main unit that[...]

1.3.3 Color BJ cartridg e (BC-61) The BC-61 BJ cartridge is used for color printing (denser colors and filling larger areas with color). The cartridge consists of a main unit that separates the BJ heads, and disposable ink tanks (BCI-61 Color). The BJ head has 240 nozzles supplying the color inks. There are three vertical rows of 80 nozzles each fo[...]

1.4 SB-60 BJ Cartridg e Container The SB-60 cartridge container is for storing the BC-62e Photo or BC-61 BJ cartridge— whichever is not currently being used. The SB-60 cartridge container is supplied with the printer, and can also be bought as optional equipment. After placing a cartridge in the holder, be sure to close the lid securely. Failure [...]

2. SPECIFICA TIONS 2.1 General Specifications 1. Type Desktop serial color bubblejet printer 2. Operating mode Canon extended mode 3. Print resolution 1200 (H) × 600 (V) dpi max. 4. Printing speed Burst (BC-60 monochrome) HQ: 480cps, HS: 720cps Throughput Monochrome printing: HQ: Approx. 5.8ppm, HS: Approx. 7.6ppm Color printing: HQ: Approx. 0.5 t[...]

13. Paper Feeding method ASF and manual feed: Plain paper, high-resolution paper, envelopes, transparencies, back print film, glossy photo paper, fabric sheets, high-gloss photo film and T-shirts transfer Manual feed only: Other papers 14. Sheet feeder capacity Plain paper: 130 max. High-resolution paper: 100 max. Envelopes: 15 max. Transparencies:[...]

Color BJ cartridge BC-61 Nozzles: One row of 80 nozzles × 3 colors Ink colors: Yellow, magenta, and cyan Service life: Approx. 275 pages per tank (when printing standard color pattern at 7.5% duty per color) Head service life: Approx. 2000 pages (when printing standard color pattern at 7.5% duty per color) 17. Acoustic noise level Approx. 48dB (ba[...]

2.2 P aper Specifications 2.2.1 P aper types ● ● : OK ✕ : NG *1: A4+ size paper is a Canon original size paper that, measuring 222.7 × 355.6mm, is slightly larger than A4 size paper. The A4+size paper allows you to print to the full A4 size. The LTR+ size, measuring 228.6 × 337.8mm, similarly allows you to print to the full LTR size. P ar t[...]

2.2.2 Printing range 2-11 BJC-7100 P ar t 2: Product Specifications : Recommended Printing Area : Printable Area (1) Monochrome Printing (2) Color or Photo Printing 3mm 7.0mm 3.4mm 3.4mm (1) 22.6mm (2) 21.6mm (1) 12.0mm (2) 21.0mm A4, A5 and B5 Sizes 3mm 7.0mm 6.4mm 6.4mm (1) 12.0mm (2) 21.0mm (1) 22.6mm (2) 21.6mm Letter (L TR) and Legal (LGL) Siz[...]

2.3 Interface Specifications 1) Interface type Bidirectional parallel interface (IEEE1284 compatible) 2) Signal level Input TTL level: Input signals other than to data bus "Low" level: +0.0V to +0.6V "High" level: +2.4V to +5.0V TTL level: Data bus "Low" level: +0.0V to +0.8V "High" level: +2.2V to +5.0V Outp[...]

*1: N.C.: No connection *1: N.C.: No connection 2-13 BJC-7100 P ar t 2: Product Specifications T ABLE 2-4 IO SIGNALS IN NIBBLE MODE T ABLE 2-5 IO SIGNALS IN ECP MODE Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Signal HostClk Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 PtrClk PtrBusy AckDataReq Xflag HostBusy N.C.* 1 Gnd Gnd Vcc[...]

7) Description of input/output signals Compatible Mode Data Strobe [Input] This signal is used to read DATA1 to DATA8. The signal becomes valid after the BUSY signal goes Low and the printer outputs an ACKNLG signal. This signal is normally High. After it goes Low, the printer receives data. When the signal remains Low, the printer does not operate[...]

Init [Input] When it changes to Low, this signal sets the printer in the BUSY state, then resets the printer by changing from Low to High. The pules width of this signal is requiired longer than 5 micro seconds. On completion of initialization, the head retreats to the home position and the default print mode is selected. Fault [Output] This signal[...]

Host Busy [Input] Indicates that the host is ready to receive the data from the printer by making the Host Busy signal Low in the reverse data transmission phase. After that, it goes High when data is received from the printer to verify receiving data. This signal changes to High in response to the PtrClk (ACKING) signal changing to Low to change t[...]

Ack Reverse [Output] This signal remains High when data is sent from the host computer to the printer. It remains Low in the reverse data transmission phase. When switching from the forward to reverse data transmission phase, this signal changes to Low, to indicate that a request to switch modes has been received, in response to the fall of the Rev[...]

P ar t 2: Product Specifications BJC-7100 2-18 4 µ s (When HS mode is invalid) Min.0.8 µ s 0.5 µ s Min. 0.5 µ s Min. STROBE Data 1-8 BUSY ACKNLG 0.5 µ s Min. Printer Busy 0000 0000 Ptr Host Bit0 Bit4 Bit1 Bit5 Bit3 Bit7 Bit2 Bit6 1284 Active Ack Data Req Data (1 to 8) Host Busy Host Clk Ptr Clk Ptr Busy nData Avail Xflag TP TP TP Invalid With [...]

Part 3 OPERATING INSTRUCTIONS Page 3 - 1 1. PRINTER SETUP 3 - 1 1.1 Unpacking 3 - 2 1.2 Installation Location 3 - 3 1.3 Installation 3 - 8 1.4 Turning Printer Power On and Off 3 - 9 1.5 Loading Printer Paper 3 -10 1.6 Names of Parts and Their Functions 3 -12 2. TRANSPORTING THE PRINTER 3 -12 2.1 Transporting the Printer 3 -13 2.2 Manual Capping 3 -[...]

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1. PRINTER SETUP 1.1 Unpacking After unpacking, make sure the items below have been included: 3-1 BJC-7100 P ar t 3: Operating Instructions Instructions/ Driver Software BJ Cartridge BJ Cartridge Container Instruction Manual Packing Packing Carton Packing Packing Packing T apes Packing T apes T apes T apes Figure 3-1 P ackaging[...]

1.2 Installation Location To ensure optimum performance, install the printer where there is adequate space. It is also important that you install the printer where the vibration caused by the carriage movements will not cause problems. The figure illustrates the printer dimensions. Use the printer where the ambient temperature is between 5°C and 3[...]

1.3 Installation Set up the printer as follows. 1.3.1 Connecting the interface cable 1) Make sure both the printer and host PC are OFF. 2) Connect the interface cable to the interface connector on the printer. Lock the connector clips. 3) Connect the other end of the interface cable to the host PC. 1.3.2 Connecting the power suppl y 1) Connect the [...]

1.3.3 Installing the BJ cartridg e 1) Removing the BJ cartridge protectors Remove the BJ cartridge from the package, then remove the cap and tape on the nozzles, as shown in the figure. Do not reuse the cap and tape. It can clog the nozzles or mix the ink colors. Do not touch the nozzles when removing the tape as doing so may result in the head bec[...]

3) Aligning the print heads Because two BJ cartridges are installed in the printer, differences in how they are secured and in the cartridges themselves can shift the way ink is ejected onto the paper. To even out any differences and ensure satisfactory print quality, follow the procedure below for adjusting the relative positions of the print head[...]

1.3.4 Replacing the ink tanks You can replace the ink tanks of the BC-61 and BC-62e Photo BJ cartridges (not the BC-60 BJ cartridge). Replace the ink tanks as described below. 1) When to replace the ink tank Replace the ink tank in any of the following cases: the ink runs out, the ink tank is out of its package for over six months, and the printing[...]

1.3.5 Cartridg e container [SB-60] The printer is supplied with a container for storing the BC-61 or BC-62e Photo BJ cartridges for users who are using both the BC-61 and BC-62e Photo. (Note that the BC-60 cannot be stored in the container.) When the BC-61 is installed in the printer, the BC-62e Photo is stored in the container, and vice versa. The[...]

1.4 T urning Printer P ower On and Off 1.4.1 T urning the power on When the printer is connected to a power supply, press the POWER button to turn it ON. The beeper sounds once and the printer initializes itself. If no BJ cartridge has been installed, the POWER indicator blinks to show that the printer is waiting for the cartridge to be installed. [...]

1.5 Loading Printer P aper To obtain optimum print quality, either use the auto sheet feeder or the manual feed on the back of the printer, depending on the type of print paper you are using. Because this printer automatically adjusts the platen-head gap according to the paper being used, there are no paper selection or head gap levers. Note that t[...]

1.6 Names of P ar ts and Their Functions The different parts of the printer and their functions are shown below. P ar t 3: Operating Instructions BJC-7100 3-10 FRONT Paper Rest Supprots the stack of paper loaded in the sheet feeder . Sheet Feeder Print paper is loaded in the sheet feeder . Note that the sheet feeder capacity deffers according to th[...]

3-11 BJC-7100 P ar t 3: Operating Instructions INSIDE REPLACE Button The REPLACE button moves the carriage from the cartridge replacement position to the home position or vice versa. BACK Parallel Interface Connector Connects the parallel inter face to the PC. Manual Feed Slot Insert sheets through this slot when manually feeding paper . Lightly su[...]

2. TRANSPOR TING THE PRINTER When carrying or transporting the printer, keep the BJ cartridge installed in the printer or stored in the cartridge container. This prevents the ink from leaking and drying out in the nozzles. Also when both BC-61 and BC-62e Photo are in use, keep one cartridge installed in the printer and the other in the container. 2[...]

2.2 Manual Capping The BJ cartridges of the BJC-7100 printer can be capped manually only by service personal. 1) Insert a tweezers into the hole for manual capping positioning and rotate the gears slowly counterclockwise. 2) When the cap and carriage lock lever are in the lowest position, slowly move the carriage to the capping position. * 3) Next,[...]

3. PRINTER SER VICING FUNCTIONS 3.1 Error Indications The indicators in combination with the beeper indicate the nature of any error. There are two types of errors: operator call errors, which can be corrected by the user, and service call errors, which cannot be corrected by the user. The indicators show which type of error has occurred. If an ope[...]

3.1.2 Service calls In the case of service calls, "service personnel call error messages" are displayed on the host computer’s screen via the printer driver, and you can check the details of the error as shown in the table below by the number of times that the beeper on the main unit sounds. If a service call occurs, refer to "Part[...]

3.2 W arning Indications The printer warns the operator of less serious error states by printing out messages and sounding the beeper. Printing is not forcibly stopped while warnings are displayed. BJ cartridge mismatch warning If you select the photo ink system using the printer driver controls and start printing with a color BJ cartridge [BC-61] [...]

3.3 Function Settings This printer has no function selector for setting functions. Use the Windows driver to make the respective settings. For details, see the Windows Driver Guide included with the printer. 3.3.1 Items set b y contr ol function Procedure 1) Open the printer driver control dialog box. 2) Select "Custom Setting" to open th[...]

3.3.2 Service mode of printer driver There are certain printer driver control functions as service mode. These service mode functions, which must be used with caution, are provided for service purposes only. Procedure 1) Open the printer driver control dialog box. 2) Select "Custom Setting" while pressing down the shift key to open the cu[...]

3.4 EEPROM The EEPROM stores data such as the total page count, BJ cartridge installation/removal count, total waste ink amount, and customsettings. The page count and waste ink amount indicate the frequency with which the printer is used. The EEPROM must be reset when the logic board, EEPROM, or waste ink absorbers are replaced. See "Part 5: [...]

3.6 T est Printout This printer has a built-in self-test function that can be executed without any connection to a computer. With the power off, press and hold the POWER button until the beeper has sounded twice. Release the POWER button to start the test print. If you print the nozzle check pattern on plain paper, you will not be able to check the[...]

3.8 Service Mode Use the control buttons to select printer service mode. In Service Mode, you can, in addition to resetting the EEPROM data, execute the functions shown in Table 3-4. 1) While holding down the RESUME button, press the POWER button to turn on the printer. 2) Holding down the POWER button, press the RESUME button twice before the prin[...]

3.8.1 Final factory test pattern Print out printing pattern as Figure 3-21. See that "BJC-7100 Vx.xxx" is printed at left top on the final factory test pattern. "BJ F800 Vx.xxx" is printed if the machine is set as model for Japan. 1) Enter to a service mode. See "3.8 Service Mode" (page 3-20) . 2) Press the RESUME butt[...]

3.8.3 Printing EEPR OM data You can use the following self-print test to check the data recorded in the EEPROM. Printing EEPROM Data 1) Enter to a service mode. See "Part 3: 3.8 Service Mode" (page 3-21) . 2) Press the RESUME button four times. (The ERROR indicator turns off.) 3) Press the POWER button to print the EEPROM data on completi[...]

3.8.5 Other Function The following functions are provided in addition to the functions described above. These functions are for carrying out special tests, and are not used during normal servicing. They are described here for reference only. 1. Print Durability pattern for plain paper This function continuously prints patterns one sheet at a time f[...]

Part 4 TECHNICAL REFERENCE Page 4 - 1 1. OVERVIEW 4 - 1 1.1 Printer Block Diagram 4 - 2 1.2 Initial Flowchart 4 - 3 1.3 Print Signal Sequence 4 - 4 1.4 BJ Cartridge Drive 4 - 5 1.5 Power-Off Sequence Flowchart 4 - 6 2. FIRMWARE 4 - 6 2.1 Interface 4 - 8 2.2 Print Modes 4 -11 2.3 Smoothing Function 4 -11 2.4 Print Optimization Controls 4 -12 2.5 Hea[...]

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1. O VER VIEW 1.1 Printer Block Dia gram 4-1 BJC-7100 P ar t 4: T echnical Ref erence Figure 4-1 Printer Block Diagram CNHED 1 CNLF CNPWR CNIF CNPGS CNCR CNHED 2 EEPROM DRAM MPU Vcc (+5VDC) VH (+20VDC) VM (+27.6VDC) I/F Paper Feed Motor Carriage Motor Purge Unit • Purge Sensor Carriage (left) Carriage (right) • Black BJ Cartridge • Home Posit[...]

1.2 Initial Flowc hart The following flowchart shows the steps in the initialization sequence that takes place when the power is turned on and before the printer enters the online state. P ar t 4: T echnical Ref erence BJC-7100 4-2 OK? Purge unit initialization BJ cartridge check Printer temperature check Auto cleaning operation OK? OK? BJ cartridg[...]

1.3 Print Signal Sequence The following describes the sequence of signals from the time the host PC sends the print signals to the printer up to the point at which printing is performed. a) The host PC sends print signals to the printer. The print signals consist of print data and control commands. b) The printer controller receives the print signa[...]

1.4 BJ Cartridg e Drive The BJ cartridges are driven according to the print data and control signals output by the logic board. The control signals determine the timing with which ink is ejected from the nozzles in the BJ heads and the amount of ink. These are optimized by the printer controller according to the conditions shown bellow. The control[...]

1.5 P ower -Off Sequence Flowc har t The following flowchart indicates the steps in the sequence between turning the printer power off by pressing the POWER button until the printer stops. If the power cord or AC adaptor is disconnected before the printer is turned off with the POWER button, the power-off sequence may be interrupted without the noz[...]

2. FIRMW ARE 2.1 Interface The printer is equipped with an IEEE1284-compatible bidirectional parallel interface. This interface supports compatible mode, nibble mode, and ECP mode. 2.1.1 Compatible mode In compatible mode, the parallel interface sends data in 8-bit units. Data is sent using handshaking based on the DATA STROBE, BUSY, and ACKNLG sig[...]

2.1.2 Nibble mode In nibble mode, 8-bit data is sent from the printer to the host PC in two 4-bit blocks. The printer lowers the DataAvail signal when it is ready to send data to the host PC. After confirming the fall in the HostBusy signal, the printer prepares 8 bits of data and outputs the low 4 bits on the control signal line on the fall in the[...]

2.2 Print Modes The printer selects the carriage operation and bubblejet drive method on the basis of the media and print quality selected by the driver, and the print data that is received from the host PC. This enables the printer to achieve optimum print quality, free of smears and fragmentation. To improve the quality of images, the printer is [...]

2.2.1 Plain paper optimized printing mode (P-POP) Only when you select plain paper (in other than draft mode) using the printer driver, the BJC-7100 ejects ink optimizer from the BC-60's ink optimizer head. The printer jets the ink optimizer onto the plain paper, followed by the normal ink to minimize smearing and improve the ink's water [...]

2.2.5 Print mode settings The following table shows the default print mode settings in the printer driver. Select the Print Mode parameters to change the settings. P ar t 4: T echnical Ref erence BJC-7100 4-10 Figure 4-10 Print Mode Main Sheet (Sample) T ABLE 4-2 MAIN DEF A UL T PRINT MODE SETTINGS Print mode Text Super Photo Auto Draft Photo Graph[...]

2.3 Smoothing Function The BJC-7100 has two methods of smoothing black print data. The printer driver can convert 600 × 600dpi data into data equivalent to 1200dpi (h) × 600dpi (v). The printer itself can also convert 300 × 300dpi data into data equivalent to 600 × 600dpi. 2.4 Print Optimization Contr ols 2.4.1 P ower monitor When, due to high-[...]

2.5 Head Overheat Pr otection If the temperature of the print heads of the BJ cartridges is allowed to rise beyond a set temperature, not only is there a risk of burns in the event that the heads are touched, but it becomes increasingly difficult to achieve optimum print quality. The printer is therefore equipped with an overheat protection functio[...]

3. PRINTER'S MECHANICAL SYSTEM 3.1 Overview This section provides an overview of the printer's mechanical system. 4-13 BJC-7100 P ar t 4: T echnical Ref erence Figure 4-12 Printer's Mec hanical System Black BJ Cartridge Color/Photo Ink T ank Color/Photo BJ Cartridge Page Output Guide and T ray Paper Feed Mechanism Purge Unit Page Out[...]

3.1.1 Structure of printer's mechanical system 1) BJ Cartridge/Ink Tank The printer is shipped with the BC-60 BJ cartridge, which contains black ink and ink optimizer, and the BC-62e Photo BJ cartridge, which contains three color inks and three photo inks. The BC-61 color BJ cartridge which contains three color inks may be shipped instead of t[...]

3.2 BJ Cartridg e 3.2.1 BJ cartridg e structure 1) BC-60 In the BC-60, the BJ head is unified with the ink tank. Cartridge body The cartridge body houses the ink sponges and is the base for the BJ head unit. Ink sponges The two ink sponges hold the ink and ink optimizer that are fed to the BJ head unit. Ink pipes The ink pipes transport the ink fro[...]

BJ head unit The BJ head unit receives the ink from the ink pipes and ejects the ink at the print media according to the print signals from the signal contacts. Head clip/Screws The BJ head unit is fastened to the cartridge body using head clip and screws. Head packing The head packing ensures that the ink pipes and BJ head unit are in close contac[...]

BC-62e Photo Tank body The tank body houses the ink sponges. Ink sponges The ink sponges hold the inks that are fed to the BJ head unit. The BC-61 has three sponges for yellow, magenta, and cyan color inks. The BC-62e has six sponges for yellow, magenta, and cyan color inks, and yellow, magenta, and cyan photo inks. Ink supply pieces The ink supply[...]

Air paths/Tank label Air vents or paths are created between the inside and outside of the BJ cartridge through the holes and grooves in the cover and the label that is applied to it. The air vents prevent pressure fluctuations inside the BJ cartridge due to ink consumption and atmospheric conditions, and help stabilize the supply of inks to the pri[...]

3.2.2 Structure of BJ head unit The structure of the BJ head unit is different for each type of BJ cartridge. 1) BC-60 The BC-60 has two identical print heads, each with 310 nozzles, mounted side by side. One head ejects black ink, while the other ejects the ink optimizer. 2) BC-61 and BC-62e Photo The BC-61 print head has 240 nozzles, which eject [...]

BC-62e Photo 3) Description of parts BJ Print Head (black head, ink optimizer head, color head, and photo head) The heater board and aluminum plate are connected to the flexible cable. Flexible Cable The signal contacts are connected to the heater board by printed pattern wiring. The contacts are in contact with the signal contacts on the carriage,[...]

3.2.3 Nozzle arra ys In each of the BJ print heads, the nozzles are arranged in vertical rows at a pitch of 1/600-in. In addition to the nozzles shown in Figure 4-19, all BJ print heads have dummy nozzles at the top and bottom edges. Also, the color head and photo head have 16 nozzles separating each color, and designed to prevent neighboring color[...]

3.2.4 Signal contacts The signal contacts on the flexible cable are in contact with the signal contacts on the carriage, and are used to input and output print signals and sensor signals between the printer and BJ print head (heater board). Table 4-4 shows the signals input and output by each print head. P ar t 4: T echnical Ref erence BJC-7100 4-2[...]

*: Symbols in the BJ print head columns are as follows: ALL: Signals input to all heads OM: IO signals for ink optimizer head only BK: IO signals for black head only PH: IO signals for photo head only CL: IO signals for color head only 4-23 BJC-7100 P ar t 4: T echnical Ref erence Pin No. 7,8 9 10 11 12 13 14 15 16 17 18 19-21 22 23 24 25 26 27 BJ [...]

3.2.5 Drive cir cuit The drive circuit built into the heater board controls the ejection of inks. The drive circuit differs according to the type of BJ cartridge. 1) BC-60 The black head and ink optimizer head are each equipped with the drive circuit shown in Figure 4-21. P ar t 4: T echnical Ref erence BJC-7100 4-24 1 2 7 8 25 80 99 100 137 192 21[...]

2) BC-61 and BC-62e Photo The color head and photo head are equipped with the drive circuit shown in Figure 4-22. 4-25 BJC-7100 P ar t 4: T echnical Ref erence 1 2 6 61 80 81 102 157 160 161 180 181 198 235 240 84 85 1 2 6 Block Enable Decoder 1 240-bit Latch 2 6 61 80 81 84 85 102 157 160 161 180 181 198 235 240 240-bit Shift Register 240 See diag[...]

3) Description of block diagram Block enable decoder * 1 Generates BLOCK1 to 6 according to BE0 to 2 from the logic board. The output sequence of BLOCK1 to 6 is inverted according to whether INV is High or Low. 310-/240-bit shift register Converts IDATA *1 from the logic board into parallel print data for output. 310-/240-bit latch Latches and outp[...]

*1: Forward order refers to serial data in the same order as the image being printed. Reverse order refers to serial data in the reverse order to the image being printed. *2: The ODDE and EVENE signals from the logic board are input to the black head and ink optimizer head, and to the color head and photo head, in reverse order. The black head and [...]

3.2.6 BJ cartridg e detection The sensor signal from the index on the drive circuit is used to detect whether a BJ cartridge is installed and, if so, what type it is. The index is either open or pulled down via the resistor on the heater board. *: Pins shared with electrodes. The detection signals are pulled up to VCC on the logic board and are rea[...]

3.3 Purge Unit 3.3.1 Function of purge unit The purge unit of the BJC-7100 printer has four caps: two for cleaning and capping, and two for capping only. The cap for the ink optimizer head is designed for use with the ink optimizer only so that the ink optimizer does not get mixed with and react with the ink to block the nozzles. Maintenance jets a[...]

*1: Total amount for yellow, magenta, and cyan color and photo inks. *2: Standard manual cleaning. *3: Deep cleaning. *4: Excluding when BJ cartridge installed and capped in the printer. *5: Executed only when printing is performed after turning on the printer. 3.3.2 Structure of purge unit 1) Purge drive gear The purge drive gear is driven via the[...]

2) Wiper After the purge operation, the rotation of the purge drive gear is switched so that, when the cap lowers, wiping is performed. The wiper of the BJC-7100 printer's purge unit operates in the direction of the rows of nozzles to wipe any ink from the head face plate. The ink removed by the wiper from the head face plate is absorbed by th[...]

P ar t 4: T echnical Ref erence BJC-7100 4-32 Purge Unit W aste Ink T ube Ink: Lower Tube Ink Optimizer: Upper T ube Carriage Lock Lever Slide Lock Lever Cap (For Capping) Purge Drive Gear Pump Section Cap (For Purging and Capping) Wiper Figure 4-23 Pur ge Unit[...]

3.4 Carriage 3.4.1 Carriage functions 1) Attachment of print heads The carriage mechanically attaches the BJ cartridges, which are connected to the logic board by ribbon cables. 2) Carriage drive The carriage moves horizontally across the print media driven by the carriage motor via a carriage belt. 3) Paper feed motor drive switching When the carr[...]

3.4.2 Carriage structure 1) Print head mount The cartridge hook secures the BJ cartridge to the carriage with a plate spring. When the BJ cartridge is locked on the carriage, the signal contacts of the ribbon cable are pressed against those of the bubblejet head so that the print signals are transferred from the logic board to the BJ cartridge. 2) [...]

4-35 BJC-7100 P ar t 4: T echnical Ref erence Slide Lock Lever T ransmission Arm Purge Unit Cam T ransmission Gear Pump T ransmission Gear Sheet Feeder Unit Driving Sheet Feeder Feeding Paper Driving Purge Unit 1) Wiping/Capping Release 2) Purge/Dummy Purge T op View Sheet Feeder Drive Gear T ransmission Arm Gear Sheet Feeder Unit Platen Side Paper[...]

3.5 P aper Feed/Sheet Feeder Mechanism 3.5.1 P aper feed/sheet feeder mechanism functions 1) Paper feed function The paper feed mechanism has two paths: the path taken by sheets fed automatically from the sheet feeder mechanism and sheets fed manually through the manual feed slot. The built-in sheet feeder is driven by the paper feed motor, and loa[...]

4-37 BJC-7100 P ar t 4: T echnical Ref erence Auto Sheet Feeder (ASF) BJ Cartridge Pressure Roller Pickup Roller Sensor Pickup Roller Print Media Paper Output Unit Spurs Paper Feed Roller Sensor Flag Paper End Sensor Manual Feed Paper Output Rollers Pickup Guide Figure 4-27 P aper F eed Mechanism[...]

3.5.2 P aper feed/sheet feeder mechanism structure The sheet feeder of the BJC-7100 printer has no mechanical paper selection lever. Provided the print media is within the specifications, the media is fed without having to adjust the carriage position, etc., for the paper thickness. The print media is loaded into the sheet feeder with the two point[...]

4. PRINTER ELECTRICAL SYSTEM 4.1 Overview of Printer Electrical System The printer's electrical system can functionally be split into the logic (logic board and carriage board) and the power supply. The logic converts the data received from the interface into print signals and printer command signals, and drives the BJ cartridge and motors whi[...]

4.2 Logic 4.2.1 Logic bloc k diagram P ar t 4: T echnical Ref erence BJC-7100 4-40 DBUS0 to DBUS15 ABUS1 to ABUS20 RD INIT0 to INIT3 RESET Printer Controller (IC2) LED0 to LED2 IP0 IP1 PWMA, PWMB RAMB0 to RAMB15 RAMA0 to RAMA9 RD OE CS0 CE D0 to D15 A11 to A30 D0 to D15 A0 to A18 Address Data Bus Address Bus MPU (IC1) Control ROM (IC3) Driver IC Dr[...]

4.2.2 Logic components 1) MPU (IC1) The MPU accommodates a 32-bit CPU, 25-bit address bus, 2KB work RAM, and nine peripheral IO ports (interrupt controller, DMAC, timers, IO ports, AD converter, DRAM controller, chip select controller, monitor timer, clock & power manager). Internal CPU The 32-bit CPU has 16 32-bit general-purpose registers and[...]

DRAM controller The DRAM controller controls the 10-bit addressing, reading/writing, RAS/CAS, and refresh of the 8Mbit DRAMs (4Mbit × 2). Chip select controller The chip select controller shows that a valid address has been output for the set area. The chip select controller is connected to the CARTRIDGE button, RESUME button, POWER button, and pr[...]

IO ports The BJ cartridge rank signals, etc., are input to the IO ports. The power indicator and error indicator lighting control signals, etc., are output from the output ports. 3) Control ROM (IC3) The 8Mbit control ROM contains the printer control program. 4) DRAMs (IC5 and IC6) The 8Mbit DRAMs (4Mbit × 2), which are controlled by the printer c[...]

P ar t 4: T echnical Ref erence BJC-7100 4-44 CARRIA GE MO TOR DRIVER IC13 1 3 5 7 9 1 1 13 15 17 19 21 23 25 27 2 4 6 8 10 12 14 16 18 20 22 24 26 VsA ALARM PhaseA LGA N.C. RsA PG N.C. RsB N.C. LGB PhaseB Vcc VsB VrefA CR ENAA VmmA Out1 Out2 Out3 N.C. Out4 VmmB ENAB Decay VrefB MTD2005B CARRIA GE MOTOR VCC R19 10K, 1/16W R18 10K,1/16W C61 4700p,50[...]

4.3 Electrical System 4.3.1 Input power suppl y (A C adaptor) The AC adaptor supplies the voltages to the printer power supply circuit. The AC adaptor outputs three DC voltages: Vcc: 5.0VDC, BJ head drive VH: 20VDC, motor drive VM: 27.6VDC. The AC adaptor is mounted on the back of the printer so that the DC output pins of the AC adaptor align with [...]

5. DETECTION FUNCTIONS 5.1 Sensor -based Detection Functions The BJC-7000 has the following sensors for detecting the printer status. P ar t 4: T echnical Ref erence BJC-7100 4-46 No.26 No.2 No.2 No.26 Head T emperature Sensor Home Position Sensor Pickup Roller Sensor (left) Paper End Sensor (right) Purge Sensor Printer T emperature Sensor Figure 4[...]

Purge sensor The purge sensor uses a transmission-type photointerrupter to detect the capping position of the purge unit. When the flag on the cam gear in the purge unit interrupts the purge sensor, the module phase is deemed to be in the capping position. Paper end sensor The paper end sensor uses a transmission-type photointerrupter to detect the[...]

5.2 Miscellaneous Detection Functions In addition to sensor-based detection functions, the BJC-7100 printer also has the following detection functions. 5.2.1 W aste-ink amount detection This function processes the amount of waste ink (and ink optimizer) in the waste ink absorbers. The printer stores the total waste ink amount absorbed by the waste [...]

3) Ink-out error display When an ink-out error occurs, replace either the BJ cartridge or ink tanks by either pressing the REPLACE button on the printer or using the printer driver utility. The cartridge or tank replacement procedure is as follows: 1) If the black ink or ink optimizer has run out, the ERROR indicator turns ON and the beeper sounds [...]

P ar t 4: T echnical Ref erence BJC-7100 4-50 This page intentionally left b lank[...]

Part 5 MAINTENANCE Page 5 - 1 1. MAINTENANCE 5 - 1 1.1 Parts for Periodic Replacement 5 - 1 1.2 Consumable Parts 5 - 1 1.3 Consumables 5 - 1 1.4 Periodic Maintenance 5 - 2 2. SERVICING TOOLS 5 - 2 2.1 List of Tools 5 - 3 3. APPLYING GREASE 5 - 4 4. DISASSEMBLY AND REASSEMBLY 5 - 4 4.1 Disassembly and Reassembly 5 - 4 4.2 Notes on Disassembly and Re[...]

[...]

1. MAINTENANCE 1.1 P ar ts for P eriodic Replacement 1.2 Consumable P ar ts 1.3 Consumables 1.4 P eriodic Maintenance The BJC-7100 uses a range of inks and an ink optimizer when printing on plain paper in other than draft mode. The ink optimizer is an almost colorless, transparent fluid.For simplicity in this manual, we refer to the ink optimizer f[...]

2. SER VICING T OOLS 2.1 List of T ools P ar t 5: Maintenance BJC-7100 5-2 Ordinary Tools Phillips screwdriver Blade screwdriver Tweezers Flat brush Multimeter Note For removing and replacing screws For removing plastic parts For removing and installing coil springs For applying grease (one per grease type) For troubleshooting Special Tools (part N[...]

3. APPL YING GREASE Apply the MOLYKOTE PG641 greases at the points shown below. Smear a thin film of the appropriate amount of grease smoothly over the whole area to be lubricated. The BJC-7100 uses three types of grease. Only apply the specified grease to the specified locations. Never apply grease to locations other than those indicated. Also tak[...]

4. DISASSEMBL Y AND REASSEMBL Y 4.1 Disassembl y and Reassembl y When disassembling or reassembling the printer, refer to the parts catalog. The Figure No. of the illustrations in the parts catalog are in the order of the disassembly sequence. The parts catalog also contains close-up diagrams where additional care is required. 4.2 Notes on Disassem[...]

4.2.3 Bearings at ends of support shaft The two bearings at the end of the support shaft are secured by fixing screws in placed after being positioned at the factory. Never disassemble these bearings (except for head gap adjustment). Red fixing screws are used to distinguish them form other screws. The bearings need not be removed to remove the car[...]

4.3 W aste Ink Absorbers If you are replacing the waste ink absorber (and/or waste ink optimizer absorber) because of a waste ink alarm or waste-ink full error, replace both top and bottom absorbers together. Also replace the absorbers for the maintenance jets. In other cases, replace both top and bottom absorbers if possible even when there is com[...]

4.4 Assembling the Chassis Follow the procedure below to tighten the following screws (total 9 screws securing front chassis unit and rear chassis) after you have replaced parts. 1) When both the front chassis unit and rear chassis have been removed from the body, fit the rear chassis onto the body first. 2) After you have fitted the front chassis [...]

5. ADJUSTMENTS 5.1 Adjustment Locations 5.1.1 Adjusting registration Adjust the registration along the horizontal and vertical directions using the printer driver. This adjustment is the same as the operation when the user installs the printer or replaces the BJ cartridge. For details, see "Part 3: 1.3.3 3) Aligning the print heads" (page[...]

2) Insert the measuring sheet into the manual paper feed slot. With the platen held down in position, align the left of the measuring sheet with the paper guides on the printer. Then, insert the measuring sheet until its leading edge is hooked on the spurs (see figure below) taking care not to deform the spurs. 3) Gently press down on both ends of [...]

4) Place the thickness gage on the measuring sheet as shown in the figure below. 5) Move the carriage with your fingers gripping the carriage belt as shown in the figure below. Follow the flowchart on the following page for details on the checking order. P ar t 5: Maintenance BJC-7100 5-10 Figure 5-12 Thickness Gauge Setting Figure 5-13 Check the H[...]

2. Head Gap Check/Adjustment Flowchart Check results are categorized into three types as follows: A: The head clearly contacts the thickness gage, and the thickness gage is moved pressed against the head. B: The head barely contacts the thickness gage, and the thickness gage moves very slightly. C: The head does not contact the thickness gage at al[...]

2) Gently press down on both ends of the platen, and then quickly release your hands. Repeat this two or three times to stabilize the platen position. Be sure to carry out this step. Otherwise, the head gap cannot be measured correctly. 3) Place the 1.4 mm thickness gage on the measuring sheet. 4) Move the carriage with your fingers gripping the ca[...]

6. TR OUBLESHOO TING 6.1 T r oubleshooting Overview 6.1.1 Overview This chapter consists of the following two sections: "Diagnosis" and "Action." If you do not know the cause of a problem, consult the "Diagnosis" section. If you do know the cause, follow the instructions in the "Action" section. 6.1.2 T r oub[...]

6.2 Diagnosis 6.2.1 Diagnostic flo w P ar t 5: Maintenance BJC-7100 5-14 Beeper ERROR indicator Refer ence page 8 times Blinks 9 times 5-21 8 times Blinks 10 times 5-21 8 times Blinks 11 times 5-21 ST ART OK? Paper check (Paper-end sensor) Purge unit decapping Detection of carriage in home position Is paper loaded? OK? Purge error EEPROM error No Y[...]

5-15 BJC-7100 P ar t 5: Maintenance OK? Purge unit initialization BJ cartridge check Printer temperature check Auto cleaning operation OK? OK? BJ cartridge error W aste ink-full error No Y es Y es No Y es No Paper output operation W aste ink check Purge error W aste ink check Is there any ink? OK? W aste-ink alarm Y es No Y es No Ink-out error A Be[...]

6.2.2 Action a) Error displays <Cause> During initialization, the carriage print position is not corrected. (The differential between the carriage travel in each direction is outside the correction range.) <Suspected parts> Carriage unit, carriage belt, carriage cable, carriage shaft, guide rail, idler pulley, logic board <Measure>[...]

5-17 BJC-7100 P ar t 5: Maintenance Check motor drive voltage. OK? Check carriage motor . OK? Replace carriage motor . Check power cable. No Y es Y es No A OK? Replace AC adaptor . Replace power cable. No Y es • Check the connection and conductivity of the power cable that links the logic board with the AC adaptor . Measuring point Logic board CN[...]

<Cause> Cannot detect home position. <Suspected parts> Carriage unit, carriage belt, carriage cable, carriage shaft, guide rail, idler pulley, logic board <Measure> 1. See Print Position Correction Error (page 5-17). <Cause> Cleaning not performed normally. <Suspected parts> Purge unit, purge sensor, purge sensor cable[...]

<Cause> Sheet feeder not initialized during printer initialization. <Suspected parts> Sheet feeder unit, pickup roller, sheet feeder drive gear, paper feed motor drive transmission gear, slide lock lever, logic board <Measure> 5-19 BJC-7100 P ar t 5: Maintenance 4. Sheet F eeder Error Beeper: 8 times ERROR indicator: Blinks 5 time[...]

<Cause> Thermistor (TH1) on carriage board detects higher than prescribed temperature limit. <Suspected parts> Carriage unit, carriage cable, logic board <Measure> P ar t 5: Maintenance BJC-7100 5-20 5. Pr inter T emperature Error Beeper: 8 times ERROR indicator: Blinks 6 times Normal value 50 ± 2.5 Ω (25˚C) T urn OFF the powe[...]

<Cause> The waste ink absorbers are 95% full (alarm) or 100% full (full error). <Suspected parts> Waste ink absorbers, logic board (EEPROM) <Measure> <Cause> Contents of EEPROM cannot be read correctly during initial check. <Suspected parts> EEPROM (IC7) and logic board. <Measure> Replace the logic board and wast[...]

<Cause> Overheating of carriage motor driver (IC13) <Suspected parts> Carriage motor driver (IC13), logic board, carriage motor <Measure> <Cause> Overheating of paper feed motor driver (IC14) <Suspected parts> Paper feed motor driver (IC14), logic board, paper feed motor <Measure> P ar t 5: Maintenance BJC-7100 5[...]

<Cause> 1. Error detected by paper feed sensor or purge sensor during paper transport (other than pickup or during initialization). 2. When the printer is idle, the head temperature sensor has detected an overheat. <Suspected parts> 1. Paper feed motor drive switching mechanism, slide lock lever 2. Carriage unit, BJ cartridge <Measur[...]

<Cause> 1. No print media is picked up in pickup operation. 2. No print media is output in paper output operation. <Suspected parts> Sheet feeder unit, paper edge guide, pressure roller and holder, platen, feed roller, paper output roller, transfer roller, paper output unit, paper end sensor, logic board <Measure> 1. Pickup error [...]

2. Paper jam 5-25 BJC-7100 P ar t 5: Maintenance Visually check inside the printer (especially around paper end sensor). OK? T urn on power again. Does error recur? No Y es Y es No • Check for paper and other foreign materials. • Check paper end sensor lever is normal. • Check for displaced parts (paper edge guide, pressur e roller and holder[...]

<Cause> 1. No ink in BJ cartridge BC-60. 2. No ink in color BJ cartridge BC-61. 3. No ink in Photo BJ cartridge BC-62e Photo. <Suspected parts> BJ cartridge, ink tank, antenna, carriage unit, logic board, front cover, main cover <Measure> 1. BJ cartridge BC-60 P ar t 5: Maintenance BJC-7100 5-26 14. Ink-out Error Beeper: 3 times ([...]

2. Color BJ cartridge BC-61 Photo BJ cartridge BC-62e Photo 5-27 BJC-7100 P ar t 5: Maintenance Replace appropriate ink tank. Does error recur? Repeat head cleaning and deap cleaning operations 4 or 5 times. Repeat cleaning. Check purging by purge unit. Does error recur? OK? Replace purge unit. No Y es Y es No Y es No • V isually check purge unit[...]

<Cause> 1. Error detected in BJ cartridge type ID. 2. Error detected in head rank resistance. 3. Error detected in head temperature sensor resistance. 4. Head sub-heaters not controlled normally. <Suspected parts> BJ cartridge, color BJ cartridge, photo BJ cartridge, carriage unit, carriage cable, logic board <Measure> P ar t 5: M[...]

<Cause> With ink in BJ cartridge, head temperature sensor detects overheat. <Suspected parts> BJ cartridge <Measure> Wait several minutes with power OFF, then turn power ON again. If the error recurs, follow the procedure in . 15. BJ Cartridge Error 5-29 BJC-7100 P ar t 5: Maintenance 16. BJ Car tr idge Ov erheat Error Beeper: 7 t[...]

b) Symptoms <Symptoms> • The power does not turn on even when the POWER button is pressed. • When the power is turned ON, the printer operates abnormally. <Cause> Faulty AC adaptor or AC adaptor not installed correctly, faulty logic board, faulty control panel ( POWER button), faulty power cable <Measure> P ar t 5: Maintenance[...]

<Symptoms> • Noise during carriage drive. • Noise during purge drive. • Noise during pickup, paper output, and paper transport <Cause> • Foreign object in, damage to, or misplacement of carriage drive mechanism. • Carriage (including BJ cartridges) interfering with other parts. • Faulty idler pulley. • Faulty purge unit. ?[...]

• Noise during pickup, paper output, and paper transport P ar t 5: Maintenance BJC-7100 5-32 Remove the sheet feeder unit. Visually check sheet feeder unit. Visually check parts in paper transport path. OK? Y es No Check operation of sheet feeder unit. • Remove the sheet feeder unit from the printer and manually rotate the drive gears to check [...]

<Symptoms> • Paper not picked up, or multiple pages picked up • Paper skewed or not output • Frequent paper jams <Cause> • Faulty sheet feeder unit • Faulty paper edge guide, platen, feed roller, spur unit, pinch roller and holder, paper output roller, transmission roller parts • Faulty paper feed motor • Faulty paper outp[...]

<Symptoms> • The printer does not print at all. • Printing stops mid-way. • Only a certain color is printed. <Cause> • The ink has run out or the BJ cartridge is faulty. • The carriage unit is faulty, the carriage cable is faulty, the purge unit is faulty, or the logic board is faulty. <Measure> P ar t 5: Maintenance BJC[...]

5-35 BJC-7100 P ar t 5: Maintenance Repeat head cleaning and deep cleaning operations 4 or 5 times. Make a test print. A OK? No Y es END 1. Check/replace carriage cable. 2. Replace carriage unit. 4. Replace purge unit. 3. Replace logic board.[...]

*FINE mode: default setting of Auto mode P ar t 5: Maintenance BJC-7100 5-36 5. F aulty pr inting <2>: Miscellaneous prob lems Symptoms • White stripes (horizontal) • Blotching • Spur tracks (vertical) • Color dropout • Ink bleeds • Impure color or mixed colors • Displaced borders • Dirty print media • Deformed characters Ca[...]

7. CONNECT OR LA Y OUT AND SIGNAL ASSIGNMENT 7.1 Logic Boar d CNPWR (Connection to A C Adaptor) CNPGS (Purge Sensor Connector) CNCR (Carriage Motor Connector) CNLF (P aper Feed Motor Connector) 5-37 BJC-7100 P ar t 5: Maintenance 1 8 CNPWR CNIF 1 18 19 36 CNLF 1 4 CNCR 1 4 1 3 CNPGS CNHEAD1 1 1 2 2 27 28 29 28 CNHEAD2 F igure 5-16 Logic Board Pin N[...]

CNIF (P arallel Interface Connector) See "Part 2: 2.3 Interface Specifications" (page 2-12) . CNHEAD1 (Carriage Cable Connector) CNHEAD2 (Carriage Cable Connector) P ar t 5: Maintenance BJC-7100 5-38 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24-28 Signal TSKOM TSKBK LTCLK RANKOM RANKBK IDATAOM IDATABK HEATEOM HEA[...]

7.2 Carriage Boar d The BLACK and AMM pins are connected, respectively, to the black head and ink optimizer head of the BC-60. The DARKCOL and LIGHTCOL pins are connected as shown in Table 5-1. 5-39 BJC-7100 P ar t 5: Maintenance Pin No. 13 14 15 16 17 18 19 20 21 22 23 24-29 Signal ID1PH/ELMPH SUBHCL BE0 SUBHPH ID2CL/ELCCL ODDE ID2PH/ELYPH TSACL T[...]

JENG1 (Carriage Cable Connector) JENG2 (Carriage Cable Connector) P ar t 5: Maintenance BJC-7100 5-40 Pin No. 1-5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Signal GND LEDON HPS TEMP TSABK TSAOM ID2BK/ELYCL EVENE ID2OM/ELOM SUBHBK BE1 SUBHOM ID1BK/ELBK DCLK ID1OM HEATEBK HEATEOM IDATABK IDATAOM RANKBK RANKOM LTCLK TSKBK TSKOM [...]

BLA CK (Car tridge Cable) 5-41 BJC-7100 P ar t 5: Maintenance Pin No. 19 20 21 22 23 24 25 26 27 28 29 Signal ID1CL/ELMCL HEATEPH HEATECL IDATAPH IDATACL RANKPH RANKCL LTRST TSKPH TSKCL INK IN/OUT OUT/IN IN IN IN IN OUT OUT IN OUT OUT OUT Function Color head index 1 detection/magenta ink-out detection pulse (ID1CL output and /ELMCL input) Photo hea[...]

AMM (Cartridg e Cab le) D ARKCOL (Car tridge Cable) P ar t 5: Maintenance BJC-7100 5-42 Pin No. 1 2 3 4 5 6 7 8, 9 10 11 12 13 14 Signal PHANT VH TSACL ID2CL/ELCCL SUBHCL ID1CL/ELMCL VDDH GND HEATECL INVCL ODDE EVENE BE0 IN/OUT IN OUT OUT IN/OUT OUT IN/OUT OUT ... OUT OUT OUT OUT OUT Function Photo head ink-out detection (antenna voltage) Head driv[...]

LIGHTCOL (Cartridg e Cab le) 5-43 BJC-7100 P ar t 5: Maintenance Pin No. 15 16 17 18 19 20-22 23 24 25 26 27 28 29 Signal VH BE1 IDATACL BE2 DCLK GND LTCLK ELYCL RANKCL LTRST TSKCL VH Not used IN/OUT OUT OUT OUT OUT OUT ... OUT OUT IN OUT IN OUT ... Function Head drive voltage (20.0 ± 0.3VDC) Print data block output signal generation 2 Color head [...]

8. CIRCUIT DIA GRAMS 8.1 P ar ts La y out 8.1.1 Logic boar d P ar t 5: Maintenance BJC-7100 5-44 Figure 5-18 Logic Board (F ace) Figure 5-19 Component Board (Back)[...]

8.1.2 Carriage boar d 5-45 BJC-7100 P ar t 5: Maintenance Figure 5-20 Carriage Board (F ace) Figure 5-21 Carriage Board (Back)[...]

P ar t 5: Maintenance BJC-7100 5-46 This page intentionally left b lank[...]

BJC-7100 P ar t 5: Maintenance A B C D E F G 1234567891 0 LOGIC BO ARD 01 AN1 AN2 AN3 AN4 AN5 AN6 AN7 A VSS ADTRIG VSS P134 TB01 P136 P137 P141 T ADTC P143 P144 P145 P146 P147 VCC NM1 INT0 INT1 INT2 INT3 VSS GBR P73 P74 P75 RXD0 TXD0 P83 P84 P85 P86 P87 VSS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34[...]

BJC-7100 P ar t 5: Maintenance 123456789 10 A B C D E F G LOGIC BO ARD 02 ~ ~ VSS-S VSS-R POWDNX RESETX RAS1X RAS2X BL WX BHWX RDX DBUS15 DBUS14 DBUS13 DBUS12 DBUS11 DBUS10 VSS-D VCC2-F DBUS9 DBUS8 DBUS7 DBUS6 DBUS5 DBUS4 DBUS3 VSS-P VDDL-F VCC2-E DSUB2 DBUS1 DSUB0 HOLDX DCX INT3X INT2X INT1X VCC2-D VDDL-E VSS-O INTO X ADTRGX CRTCX TESTSCAN TESTMDO[...]

BJC-7100 P ar t 5: Maintenance 123456789 10 A B C D E F G LOGIC BO ARD 03 3 28 CNHEAD1 HL W285-2A7F C46 1000p,50V R177 22K,1/16W DA6 FTZ6.8E DA6 FTZ6.8E DA7 FTZ6.8E DA7 FTZ6.8E R209 120K,0.5%,1/16W R243 100K,1/16W R250 100K,1/16W DA9 FTZ6.8E DA8 FTZ6.8E R248 100K,1/16W R249 100K,1/16W R204 820,0.1%,1/10W R203 820,0.1%,1/10W DA9 FTZ6.8E DA8 FTZ6.8E [...]

BJC-7100 P ar t 5: Maintenance 123456789 10 A B C D E F G LOGIC BO ARD 04 CARRIA GE MO T OR DRIVER IC13 1 2 3 4 CNCR 1 3 5 7 9 1 1 13 15 17 19 21 23 25 27 2 4 6 8 10 12 14 16 18 20 22 24 26 VsA ALARM PhaseA LGA N.C. RsA PG N.C. RsB N.C. LGB PhaseB Vcc VsB VrefA CR ENAA VmmA Out1 Out2 Out3 N.C. Out4 VmmB ENAB Decay VrefB CRA CRB CRB CRA MTD2005B PUR[...]

BJC-7100 P ar t 5: Maintenance 123456789 10 A B C D E F G LOGIC BO ARD 05 CNPWR C51 2200 µ ,25V C52 220 µ ,10V C87 100p,50V VHPOW <01-B1> C1 12 1000p,50V IN OUT GND REGULA TOR IC16 2 3 1 C31 100 µ ,16V E VDDH 1 2 ETH4 E VCC1 1 2 ETH5 E VCC3 1 2 ETH6 POWER SUPPL Y VH VHGND VM VMGND 5V 5VGND VHENB GND 1 2 3 4 5 6 7 8 C107~C1 10 1000p,50V x4 [...]

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