Muratec F-114 manuale d’uso

SERVICE MANUAL F-114 / F-114P DIGIT A L LASER MFP Contents 1 . Precautions 2 . Product S pec ifications & F eature s 3 . Disassembly and Reassembly 4 . Alignment & T roubleshooting 5 . Exploded V iew s and Parts L ist s 6 . System Diagram 7 . Reference Information[...]

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Contents 1 . Precautions 1.1 Safety W arning 1-1 1.2 Caution for safety 1-2 1.3 ESD Precautions 1-5 2 . Product S pec ifications and F eature s 2.1 Product Specifications 2-1 2.2 Summary of Product 2-5 2.2.1 Printer Components 2-5 2.2.2 Overview of System 2-9 2.2.3 System Layout 2-1 1 2.2.4 Main PBA(SPL Model) 2-15 2.2.5 SMPS & HVPS 2-18 2.2.6 [...]

Continued 3.12 Scan Motor Ass'y 3-10 3.13 ADF Roller 3-1 1 3.14 Sub Hook PBA 3-12 3.15 Drive Ass'y 3-13 3.16 DC-Fan 3-13 3.17 Exit Cover Ass'y 3-14 3.18 LSU-Unit 3-15 3.19 Engine Shield Ass'y 3-15 3.20 Main PBA 3-16 3.21 SMPS 3-17 3.22 Fuser Ass'y 3-18 3.23 T ransfer Ass'y 3-20 3.24 Feed Ass'y 3-21 3.25 Pick up As[...]

Continued 4.2.3 Copy Problems 4-51 4.2.4 Paper Feed problems – Causes and Solutions 4-55 4.2.5 Printer Faults – Causes and Solutions 4-63 4.2.6 T oner Cartridge Service 4-73 4.2.7 Software Problems – Causes and Solutions 4-78 5 . Exploded V iews & Parts List s 5.1 Main Exploded View 5-2 5.2 T op Cover Exploded View 5-5 5.3 OPE Ass’y Exp[...]

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Service Manual Precautions 1-1 1. Precautions In order to prevent accidents and to prevent damage to the equipment please read the precautions listed below carefully before servicing the printer and follow them closely . 1.1 Safety W arning (1) Only to be serviced by appropriately qualified service engineers. High voltages and lasers inside this pr[...]

Service Manual Precautions 1-2 1.2 Caution for safety 1.2.1 T oxic material This product contains toxic materials that could cause illness if ingested. (1) If the LCD control panel is damaged it is possible for the liquid inside to leak. This liquid is toxic. Contact with the skin should be avoided, wash any splashes from eyes or skin immediately a[...]

Service Manual Precautions 1-3 1.2.3 Handling Precautions The following instructions are for your own personal safety , to avoid injury and so as not to damage the printer (1) Ensure the printer is installed on a level surface, capable of supporting its weight. Failure to do so could cause the printer to tip or fall. (2) printer contains many rolle[...]

Service Manual Precautions 1-4 1.2.5 Disregarding this warning may cause bodily injury (1) Be careful with the high temperature part. The fuser unit works at a high temperature. Use caution when working on the printer . Wait for the fuser to cool down before disassembly . (2) Do not put finger or hair into the rotating parts. T ake care when using [...]

Service Manual Precautions 1-5 1.3 ESD Precautions Certain semiconductor devices can be easily damaged by static electricity . Such components are commonly called “Electrostatically Sensitive (ES) Devices”, or ESDs. Examples of typical ESDs are: integrated circuits, some field effect transistors, and semiconductor “chip” components. The tec[...]

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Service Manual Product spec and feature 2-1 2. Product specification and feature 2.1 Product Specifications Specfications are correct at the time of printing. Product specifications are subject to change without notice. See below for product specifications. Items F-114 Series Model Name F-114P F-114 Functions Fax,Copier ,Printer ,Scanner Fax,Copier[...]

Service Manual Product spec and feature 2-2 Items F-1 1 4 Series Model Name F-114P F-114 Scan Halftone 256level 256level Scan Method "CIS, Mono" "CIS, Mono" *Scan Speed G ra y U p t o 7 2 s ec - (Second /scan) C olor - - Black&White U p t o 2 5 s e c - Resolution(Optical) Up to 200 x 200 DPI effective output Up to 200 x 200 [...]

Service Manual Product spec and feature 2-3 Items F- 114 Series Model Name F- 114P F- 114 Fax Halftone 256level 256level (Continued) Memory Capacity T otal memory: 8MB( Fax: 2MB) T otal memory: 8MB(Fax: 2MB) Optional Memory No No Broadcasting Y es Y es Delay TX Y es Y es Memory RX Y es Y es Functions V oice Request No No TTI Y es Y es RTI Y es Y es[...]

Service Manual Product spec and feature 2-4 Items F- 114 Series Model Name F-114P F-114 Software Windows Win 2000 Y es No Compatiblity Win 2003 Y es No (Scan/Print) Win XP Y es No Win V ista Y es No Driver GDI Printer SPL No TW AIN Y es No FaxRCP Y es No (Windows ONL Y) Mac Printer Y es No Mac Scanner No No Linux Printer Y es No Linux Scanner Y es [...]

Service Manual Product spec and feature 2-5 Summary of Product 2.2 Summary of Product This chapter describes the functions and operating principals of the main components. 2.2.1 Printer Components 2.2.1.1 Front View[...]

Service Manual Product spec and feature 2-4 Items F- 114 Series Model Name F- 114P F-114 Software Windows Win 2000 Y es No Compatiblity Win 2003 Y es No (Scan/Print) Win XP Y es No Win V ista Y es No Driver GDI Printer SPL No TW AIN Y es No FaxRCP Y es No (Windows ONL Y) Mac Printer Y es No Mac Scanner No No Linux Printer Y es No Linux Scanner Y es[...]

Service Manual Product spec and feature 2-7 1 2 4 3 5 6 7 2.2.1.3 Control Panel < F- 114 / F-114P >[...]

Service Manual Product spec and feature 2-8 4 5 6 S A V E 7 F A X[...]

Service Manual Product spec and feature 2-9 2.2.2 Overview of System The F- 114 / F-114P can be divided into the following main constituent parts: Main Controller, Operator ’s Panel, PC Interface, Scanner , Line Interface and Power Supply . The Main Controller uses an SPGPm processor . The Operator ’s panel; (OPE) has its own MICOM which commun[...]

Service Manual Product spec and feature 2-10 - SMPS Board & HVPS Board These are integrated into a singe PBA. The Power Supply uses the 1 10V AC/220V AC supply voltage to generate the DC V oltages used by the system. The SMPS has 3 output channels (+5V , +12V , +24V , +24VS) and supplies the Main Board and the OPE Board. The HVPS creates the hi[...]

Service Manual Product spec and feature 2-11 2.2.3 System Layout 2.2.3.1 Feeding section There is a universal cassette which automatically loads paper and the manual feed which supplies paper single sheet at a time. The cassette has a friction pad which separates paper to ensure single sheet feeding, and it has a sensor , which checks when the pape[...]

Service Manual Product spec and feature 2-12 2.2.3.4(e) Safety Features • T o prevent overheating - 1st protection device: Hardware cuts off when overheated - 2nd protection device: Software cuts off when overheated - 3rd protection device: Thermostat cuts off mains power to the lamp. • Safety device - Fuser power is cut off when the front cove[...]

Service Manual Product spec and feature 2-13 2.2.3.6 LSU (Laser Scanner Unit) This is the core of the laser printer . It converts the video data received from the computer into an electrosta- tic latent image on the surface of the OPC drum. This is achieved by controlling the laser beam and expos- ing the surface of the OPC drum to the laser light.[...]

Service Manual Product spec and feature 2-14 2.2.3.7 T oner Cartridge The toner cartridge is an integral unit containing the OPC unit and toner unit. The OPC unit consists of the OPC drum and charging roller , and the toner cartridge unit consists of the toner , supply roller , developing roller , and blade (Doctor blade) - Developing Method: Non m[...]

Service Manual Product spec and feature 2-15 2.2.4 Main PBA(SPL Model) The Engine Board and Controller Board have been integrated into a single PBA. This consists of the CPU, printer scanner and line control functions. The CPU functions as the bus controller , I/O handler , motor driver and PC inter-face. The main board sends the Current Image Vide[...]

Service Manual Product spec and feature 2-16 2.2.4.1 ASIC (Chorus2) The unt' s S3C46Q0X 16/32-bit RISC micro controller is designed to provide a cost-effective, low power , small die size and high performance micro-controller solution for MFP . The S3C46Q0X is developed using ARM7TDMI core, 0.18(m CMOS standard cell, and memory cell. •Main f[...]

Service Manual Product spec and feature 2-17 2.2.4.4 Sensor input circuit 1) Paper Empty Sensor The Paper Empty sensor (Photo Interrupter) on the SMPS/HVPS PBA is monitored by the CPU on signal(nP_EMPTY , CN3-Pin 1). When the cassette is empty the printer displays a message on the LCD panel. 2) MP Sensing Presence of paper in the MP tray is detecte[...]

Service Manual Product spec and feature 2-18 2.2.5 SMPS & HVPS The SMPS and HVPS are on one integrated board. The SMPS supplies the DC power to the system. It takes either 1 10V or 220V and outputs the +5V , -5V/0.5A, 12V and 24V supplies to the main and ADF PBAs. The HVPS creates the high voltage of THV/MHV/Supply/Dev and supplies it to the to[...]

Service Manual Product spec and feature 2-19 2.2.5.1 HVPS(High V oltage Power Supply) 1) T ransfer High V oltage (THV+) - Function : It is this voltage that transfers toner from the OPC Drum to the paper . - Output voltage : +1300V DC±20V - Error : IF THV (+) is not present, low density printing occurs due to toner on the OPC Drum not being transf[...]

Service Manual Product spec and feature 2-20 2.2.5.2 SMPS (Switching Mode Power Supply) ItThis is the power source for the whole system. It is an independent module so that it is possible to use it for common use. It is mounted at the bottom of the set. It consists of the SMPS section, which supplies the DC power to drive the system, and the AC hea[...]

Service Manual Product spec and feature 2-21 6) Feature - Insulating resistance : over 50MΩ (at DC500V) - Insulating revisiting pressure : Must be no problem within 1min. (at 1500Vzc, 10mA) - Leaking current : under 3.5mA - Running current : under 40A peak (at 25°c, Cold start) Under 60A peak (in other conditions) - Rising T ime : Within 2Sec - [...]

Service Manual Product spec and feature 2-22 2.2.6 Engine F/W 2.2.6.1 Feeding If feeding from the cassette the drive of the pickup roller is controlled by controlling the pick-up solenoid. The on/off of the solenoid is controlled by controlling the general output port or the external output port. If feeding from the manual feeder the set decides to[...]

Service Manual Product spec and feature 2-23 2.2.6.4 Fusing The temperature of the heat roller's surface is detected according to the resistance value of the thermistor . The thermistor resistance is measured using the A/D converter and thus the CPU can determine the temperature of the heat roller . The AC power is controlled by comparing the [...]

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Service Manual Disassembly and Reassembly 3-1 3. Disassembly and Reassembly 3.1 General Precautions on Disassembly When you disassemble and reassemble compo- nents, you must use extreme caution. The close proximity of cables to moving parts makes proper routing a must. If components are removed, any cables disturbed by the procedure must be restore[...]

Service Manual Disassembly and Reassembly 3-2 3.2 White Roller Ass,y 1. Open the OPE Unit. 2. P ush the Bushing on RH end of the roller slightly inward, then rotate it until it reaches the slot as shown below . Then lift the roller out. Note: Check the roller for any dirt. Clean with a soft cloth dampened with water. If the roller is heavily worn r[...]

Service Manual Disassembly and Reassembly 3-3 3.4 Side Cover L 1. Before you remove the Side Cover L, you should remove: - Remove handset and cradle. 2. Release the latches from Frame Ass,y in the direction of the arrow , as shown below . T ake care to disconnect speaker harness. 3. If necessary , remove the two screws securing the Speaker and remo[...]

Service Manual Disassembly and Reassembly 3-4 3.6 OPE Unit 1. Before you remove the OPE Unit, you should remove: - Rear Cover (see section 3.3) 2. Unplug the OPE connector from the Main PBA and Scan Motor Harness, as shown below . Then remove the two screws securing the Ground Cable and remove it. Note the position of the bronze earth plate. 3. Ope[...]

Service Manual Disassembly and Reassembly 3-5 6. Remove the seven screws securing the OPE PBA and remove it. 7. Remove the Contact Rubber from the OPE Cover . 8. Remove the Key Pad from the OPE Cover . OPE PBA Key Pad Contact Rubber[...]

Service Manual Disassembly and Reassembly 3-6 Samsung Electronics 1. Before you remove the ADF Rubber Pad, you should remove: - Rear Cover (see section 3.3) - OPE Unit (see section 3.6) 2. Insert a flat-blade screwdriver into the slot as shown below , and release the latches. T ake out the Rubber Holder and the Rubber Pad. Note: • When you reasse[...]

Service Manual Disassembly and Reassembly 3-7 Samsung Electronics 1. Before you remove the CIS, you should remove: - White Roller Ass'y (see section 3.2) - Rear Cover (see section 3.3) 2. Unplug the CIS connector from the Main PBA. (CN14) 3. Unlatch the CIS using a flat-blade screwdriver and release it, as shown below . Disconnect harness from[...]

Service Manual Disassembly and Reassembly 3-8 Samsung Electronics 1. T ake out the Cassette. 2. Open the Front Cover . 3. Unlatch the Front Cover from the Frame Ass'y . Then remove the Front Cover , as shown below . 3.10 Front Cover Ass'y Cassette F ront Cover[...]

Service Manual Disassembly and Reassembly 3-9 1. Before you remove the Scan Ass'y , you should remove: - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) - Side Cover R (see section 3.5) - Front Cover (see section 3.10) 2. Unplug the three connectors (OPE, CIS, scan motor) from the Main PBA. Then remove the two Ground Cables, as s[...]

Service Manual Disassembly and Reassembly 3-10 1. Before you remove the Scan Motor Ass'y , you should remove: - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) - Side Cover R (see section 3.5) - OPE Unit (see section 3.6) - Front Cover (see section 3.10) - Scan Ass'y (see section 3.1 1) 2. Open the OPE Unit. 3. Remove the th[...]

Service Manual Disassembly and Reassembly 3-11 1. Before you remove the ADF Roller , you should remove: - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) - Side Cover R (see section 3.5) - Front Cover (see section 3.10) - Scan Ass'y (see section 3.1 1) - Scan Motor Ass'y (see chapter 3.12) 2. Carefully release the ADF Gear f[...]

Service Manual Disassembly and Reassembly 3-12 1. Before you remove the Sub Hook PBA, you should remove: - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) 2. Unplug the one connector from the Sub Hook PBA, as shown below . 3. Remove the one screws securing the Sub Hook PBA and remove it. 3.14 Sub Hook PBA Sub Hook PBA[...]

Service Manual Disassembly and Reassembly 3-13 1. Before you remove the Drive Ass'y , you should remove: - Rear Cover (see section 3.3) - Side Cover L (see section 3.4) Note : When re-fitting the Drive Ass’y tighten the screws in the order that they are numbered on the base plate. 2. Remove the six screws securing the Drive Ass'y and re[...]

Service Manual Disassembly and Reassembly 3-14 1. Before you remove the Exit Cover Ass'y , you should remove: - Scan Ass'y (see section 3.1 1) - Sub High PBA (see section 3.14) 2. Remove the four screws securing the Exit Cover Ass'y and remove it, as shown below . 3. Remove the Exit Gear and Bearing using a flat-blade screwdriver , a[...]

Service Manual Disassembly and Reassembly 3-15 1. Before you remove the LSU, you should remove: - Scan Ass'y (see section 3.1 1) 2. Unplug the two connectors from the LSU, as shown below . 3. Remove the four screws securing the LSU and remove it. 3.18 LSU-Unit LSU 1. Before you remove the Engine Shield Ass'y , you should remove: - Rear Co[...]

Service Manual Disassembly and Reassembly 3-16 1. Before you remove the Main PBA, you should remove: - Engine Shield Ass,y (see section 3.19) 2. Remove the three screws securing the Main PBA and remove it. Then carefully release the latches from Supporter , as shown below . 3.20 Main PBA Main PBA 2 1 Supporter[...]

Service Manual Disassembly and Reassembly 3-17 1. Before you remove the SMPS, you should remove: - Engine Shield Ass,y (see section 3.19) 2. Remove the three screws securing the Inlet Bracket and remove it. 3. Unplug one connector . 4. Remove the four screws securing the SMPS and remove it. Then Lift the SMPS out, as shown below . 3.21 SMPS SMPS In[...]

Service Manual Disassembly and Reassembly 3-18 1. Before you remove the Fuser Ass'y , you should remove: - Engine Shield Ass,y (see section 3.19) 2. Unplug the two connectors from the Main PBA and SMPS, as shown below . Then remove the four screws securing the Fuser Ass'y and remove it. 3. Remove the two screws securing the Thermostat. Th[...]

Service Manual Disassembly and Reassembly 3-19 6. Remove the four screws securing the Fuser Cover and remove it, as shown below . 7. Unwrap the Thermister Harness, as shown below . 8. Remove the one screw securing the Thermister and remove it, as shown below . Thermister Har ness Fuser Cover Claw Thermister[...]

Service Manual Disassembly and Reassembly 3-20 Samsung Electronics 1. Before you remove the T ransfer Ass'y , you should remove: - LSU (see section 3.18) 2. Remove the three screws securing the T ransfer Earth and remove it. 3. Unplug the PTL Holder connector , then remove the PTL Holder and PTL Lens, as shown below . 4. Release the frame latc[...]

Service Manual Disassembly and Reassembly 3-21 Samsung Electronics 1. Before you remove the Feed Ass'y , you should remove: - Scan Ass'y (see section 3.1 1) - Drive Ass'y (see section 3.15) - LSU (see section 3.18) 2. Remove the two screws securing the Paper Guide and remove it. 3. Pull up the Feed Idle Bush and Feed Idle Shaft, as s[...]

Service Manual Disassembly and Reassembly 3-22 Samsung Electronics 6. Remove the Feed Gear1 Ass'y . 7. Pull up the Feed Roller and Feed Roller1. Feed Gear1 Ass'y Feed Roller1 Feed Roller[...]

Service Manual Disassembly and Reassembly 3-23 Samsung Electronics 1. Before you remove the Pick up Ass'y , you should remove: - Scan Ass'y (see section 3.1 1) - Drive Ass'y (see section 3.15) - LSU (see section 3.18) - Engine Shield Ass,y (see section 3.19) 2. Remove the Pick up Gear Ass,y . 3. T ake out the Pick up Ass'y , as [...]

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Service Manual Alignment & T roubleshooting 4-1 4. Adjustment and T roubleshooting 4.1 Alignment and Adjustments 4.1.1 Paper path ADF Part PTL P I C K / R PR CR DR SR TR FR OPC L S U Fuser T oner Car tridge 1 2 3 4 5 6 8 7 Engine Part ADF R 10 9 ER WR[...]

Service Manual Alignment & T roubleshooting 4-2 4.1.1.1 Copy & Scan Document Path ADF Part ADF R 10 9 ER WR[...]

Service Manual Alignment & T roubleshooting 4-3 4.1.1.2 Printer Paper Path 1) After receiving print job the printer feeds printing paper from the cassette or manual feeder . 2) The fed paper passes the paper feeding sensor . (Jam 0 occurs if the sensor is not operated within a cer- tain time) 3) After passing the feed sensor the paper passes th[...]

Service Manual Alignment & T roubleshooting 4-4 4.1.2 Clearing Paper Jams Occasionally paper can become jammed during a print job. Some of the causes include: • The tray is loaded improperly or overfilled. • The tray has been pulled out during a print job. • The front cover has been opened during a print job. • Paper was used that does [...]

Service Manual Alignment & T roubleshooting 4-5 4.1.2.1 Clearing Document Jams When a document jams while passing through the ADF (Automatic Document Feeder) "Document Jam" appears on the display . 4.1.2.1(a) Input Misfeed 1) Remove the remaining documents from the ADF . 2) Pull the jammed document gently out of the ADF . 3) Load the [...]

Service Manual Alignment & T roubleshooting 4-6 4.1.2.1(b) Exit Misfeed 1) Remove the remaining documents from the ADF . 2) Open the control panel by gripping its lower front edge and lifting gently . 3) Pull the document gently out of the ADF . 4) Close the control panel, then load the documents back into the ADF .[...]

Service Manual Alignment & T roubleshooting 4-7 4.1.2.2 Clearing Paper Jams When a paper jam occurs, "Paper Jam" appears on the display . Refer to the table below to locate and clear the paper jam. T o avoid tearing the paper pull the jammed paper out gently and slowly . Follow the steps on the next pages to clear the jam. 4.1.2.2.1 I[...]

Service Manual Alignment & T roubleshooting 4-8 3) Remove the jammed paper by gently pulling it straight out. If there is any resistance and the paper does not move when you pull or if you cannot see the paper in this area, skip to the fuser area around the toner cartridge. 4) Insert the paper tray into the machine until it snaps into place. 5)[...]

Service Manual Alignment & T roubleshooting 4-9 4.1.2.3 In the Paper Exit Area 1) Open and close the front cover . The jammed paper is automatically ejected from the machine. If the paper is not ejected continue to step 2. 2) Gently pull the paper out of the front output tray . Skip to step 6. If there is any resistance and the paper does not m[...]

Service Manual Alignment & T roubleshooting 4-10 4.1.2.4 In the Fuser Area or Around the T oner Cartridge NOTE :The fuser area is hot. T ake care when removing paper from the machine. 1) Open the front cover and lightly push down on the cartridge then pull to take it out. 2) Remove the jammed paper by gently pulling it straight out. 3) Replace [...]

Service Manual Alignment & T roubleshooting 4-11 4.1.2.5 In the Bypass T ray "Bypass Jam" appears on the display when you try to print using the manual feeder and the machine does not detect paper due to no paper or improper paper loading. The error message may also occur when the paper is not properly fed into the machine through the[...]

Service Manual Alignment & T roubleshooting 4-12 1. Paper Setting Paper T ype Paper Size 2. Copy Setup Default-Change T imeout 3. Fax Setup Ring to Answer Darkness Redial T erm Redials MSG Confirm. Auto Report Auto Reduction Discard Size Receive Code 4. Fax Feature Delay Fax Add Page Cancel Job Delay Rx Poll 5. Advanced Fax Send Forward RCV For[...]

Service Manual Alignment & T roubleshooting 4-13 4.1.4 T ech Mode 4.1.4.1 How to Enter T ech Mode In service (tech) mode the technician can check the machine and perform various tests to help with failure diagnosis. When in T ech mode the machine still performs all normal operations. T o enter the T ech mode T o enter the T ech mode press in se[...]

Service Manual Alignment & T roubleshooting 4-14 4.1.4.3 Data Setup SEND LEVEL Y ou can set the level of the transmission signal. T ypically , the Tx level should be under -12 dBm. Caution : The Send Fax Level is set to the best condition during manufacture. Never change settings arbitrarily . DIAL MODE This function can choose the dialing meth[...]

Service Manual Alignment & T roubleshooting 4-15 FLASH UPGRADE There are 2 methods to update the Flash Rom, Local and Remote. (1) Local Machine • RCP (Remote Control Panel) mode This method is for Parallel Port or USB Port. Connect the PC and activate the RCP (Remote Control Panel) to upgrade the Firmware. < Method > How to Update Firmw[...]

Service Manual Alignment & T roubleshooting 4-16 4.1.4.4 Machine T est SWITCH TEST Use this feature to test all keys on the operation control panel. The result is displayed on the LCD window each time you press a key . MODEM TEST Use this feature to hear various transmission signals to the telephone line from the modem and to check the modem, a[...]

Service Manual Alignment & T roubleshooting 4-17 4.1.4.5 Report PROTOCOL LIST This list shows the sequence of the CCITT group 3 T .30 protocol during the most recent sending or receiving operation. Use this list to check for send and receive errors. If a communication error occurs while the machine is in TECH mode, the protocol list will print [...]

Service Manual Alignment & T roubleshooting 4-18 4.1.5 Engine T est Mode The Engine T est Mode supplies useful functions to check the condition of the print engine. It tests the con- dition of each device and displays the result of the test on the LCD. It is divided into 5 functions (0~4), and these are shown below . 4.1.5.1 T o enter the Engin[...]

Service Manual Alignment & T roubleshooting 4-19 4.1.6 Identify Sale Date This function confirms the date that consumer used the product for the first time. When the consumer first operate the machine, it will start the scan and page counters. The time the machine was first used is remembered. These settings are remembered after memory reset (C[...]

Service Manual Alignment & T roubleshooting 4-20 4.1.7 Consumables and Replacement Parts The life cycle outlined below is a general guideline for maintenance purposes and is for reference only . Environmental conditions (temperature, humidity , dust etc.) and actual use can cause these figures to vary . COMPONENT REPLACEMENT CYCLE ADF Rubber 20[...]

Service Manual Alignment & T roubleshooting 4-21 4.1.8 Abnormal Image Printing and Defective Roller If a mark or other printing defect occurs at regular intervals down the page it may be caused by a damaged or contaminated roller . Measure the repetition interval and refer to the table below to identify the roller concerned. No Roller Abnormal [...]

Service Manual Alignment & T roubleshooting 4-22 4.1.9 Error Messages The front panel displays the printer's status or error messages. Refer to the list below for an explanation of these messages and how to clear problems. The messages and their meanings are listed in alphabetical order , with numbered messages following. [Bypass Jam] Mean[...]

Service Manual Alignment & T roubleshooting 4-23 [Jam 1] or [No Cartridge] Meaning: Paper has jammed inside the unit, or the toner cartridge is not installed. Solution: Clear the jam. Install the toner cartridge. Line Busy Meaning: The remote person did not answer or the line is already engaged. Solution: T ry again after a few minutes. [Line E[...]

Service Manual Alignment & T roubleshooting 4-24 NO. Not Assigned Meaning: The speed dial location you tried to use has no number assigned to it. Solution: Dial the number manually with the keypad, or assign the number . [No Paper]Add Paper Meaning: The paper cassette is empty . The printer system stops. Solution: Load new paper in the paper tr[...]

Adjustment and T roubleshooting Service Manual 4-25 4.2 T roubleshooting 4.2.1 Procedure of Checkig the Symptoms Before attempting to repair the printer first obtain a detailed description of the problem from the customer . Power On Indicate Error Massage Ready or Power save T est Print printing Quality is Nomal? Refer to "Solution of Image Pr[...]

Service Manual Adjustment and T roubleshooting 4-26 4.2.2 The cause and solution of image quality 1) V ertical Black Line and Band Description: 1. Straight thin black vertical lines occur in the prnting 2. Dark black vertical bands occurrs in the printing Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer[...]

Adjustment and T roubleshooting Service Manual 4-27 2) V ertical White Line Description: White vertical voids in the image. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer[...]

Service Manual Adjustment and T roubleshooting 4-28 3) Horizontal Black Bands Description: Dark or blurry horizontal stripes occur in the printing periodically (These may occurs at regular intervals down the page.) 1) Charge roller = 37.7 mm 2) Supply roller = 37 mm 3) Develop roller = 35.3 mm 4) T ransfer roller = 45.3 mm 1. Clean the right Gear t[...]

Adjustment and T roubleshooting Service Manual 4-29 4) Black/White Spot Description: 1. Dark or blurry spots occur periodically in the printing 2. White spots occur periodically in the printing 1. If dark or blurry black spots occur periodically , the rollers in the Developer may be contaminated with foreign matte or paper particles. (Charge roller[...]

Service Manual Adjustment and T roubleshooting 4-30 5) Light Image Description: The printed image is light, with no ghost. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer[...]

Adjustment and T roubleshooting Service Manual 4-31 6) Dark image or Black Description: The printed image is dark. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer[...]

Service Manual Adjustment and T roubleshooting 4-32 7) Uneven Density Description: Print Density is uneven between left and right.[...]

Adjustment and T roubleshooting Service Manual 4-33 8) Background Description:Light dark background appears in whole area of the printing. The toner cartridge is basically designed to print 3,000 sheets with Std. image. If it prints more than 3,600 sheets with 2% coverage, a background can occur . Digital Printer Digital Printer Digital Printer Dig[...]

Service Manual Adjustment and T roubleshooting 4-34 9) Ghost(1) Description: Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer 75.5 mm[...]

Adjustment and T roubleshooting Service Manual 4-35 10) Ghost (2) Description: Ghost occurs at 75 mm intervals of the OPC drum in the whole printing. (When printing on card stock or transparencies using manual feeder) When printing on card stock thicker than normal paper or transparencies such as OHP , higher transfer voltage is required. Ensure th[...]

Service Manual Adjustment and T roubleshooting 4-36 1 1) Ghost (3) Description: Ghost occurs at 66.3 or 75.5 mm intervals. 1. Fuser contamination. Disassemble the fuser and remove any contamination on the rollers. Clean any contamination from between the Thermistor and the Heat roller . (Caution: T ake care not to deform the rollers.) Digital Print[...]

Adjustment and T roubleshooting Service Manual 4-37 12) Ghost (4) Description: A White ghost occurs in a black image printing at 32 mm intervals. 1. The life of the developer may be expired. 2. Abnormal output from the HVPS. Problem in the toner cartridge, replace the toner cartridge and try to print out again. Check the HVPS supply voltage. Clean [...]

Service Manual Adjustment and T roubleshooting 4-38 13) Stains on the Face of Page Description: The background on the face of the printed page is stained. 2. If the transfer roller is contaminated, stains on the face of page will occur . 1. T oner leakage due to improperly sealed toner cartridge. Replace the toner cartridge. If the transfer roller [...]

Adjustment and T roubleshooting Service Manual 4-39 14) Stains on Back of Page Description: The back of the page is stained at 45.3 or 75.5 mm intervals. 1. 45.3mm : T ransfer roller is contaminated. 2. 75.5mm : Pressure roller is contaminated. Perform the OPC Cleaning Mode Print 2 or 3 times. Run Self-T est to remove the contamination from the tra[...]

Service Manual Adjustment and T roubleshooting 4-40 15) Blank Page Print out (1) Description: Blank page is printed. 1. Bad ground contacts in OPC and/or toner cartridge. 1. Check if the Ground-OPC or the OPC Ground Zener diode are defective or open circuit. (set inside left side) 2. Remove contamination of the terminals on the toner cartridge and [...]

Adjustment and T roubleshooting Service Manual 4-41 16) Blank Page Print out (2) Description: 1. Blank page is printed. 2. One or several blank pages are printed. 3. When the printer turns on, several blank pages print. 1. Abnormal solenoid. Perform the engine self test using TECH Mode to check if the Solenoid is normal. If the problem persists rep[...]

Service Manual Adjustment and T roubleshooting 4-42 1) No Dial T one 4.2.2 Fax & Phone Problems Description: There is no dial tone when the On-Hook dial button is pressed. 1. Check that the telephone line cord supplied with the set is connected to TEL LINE correctly . If the telephone cord is OK but there is no dial tone, try plugging a normal [...]

Adjustment and T roubleshooting Service Manual 4-43 2) Defective MF DIAL Description: The MF DIAL is not functioning. 1. Check that the telephone line cord supplied with the set is connected to TEL LINE correctly . If the telephone cord is OK but there is no dial tone, try plugging a normal telephone into the wall socket. I this is OK then replace [...]

Service Manual Adjustment and T roubleshooting 4-44 3) Defective F AX FORW ARD/RECEIVE Description: F AX FORW ARD/RECEIVE is not functioning. 1. Check that you can hear a dial tone by pressing OHD. If MODEM testing is normal and there is no dial tone, then try replacing the Main B'd. 2. Check that you can hear a RECEIVE tone when MODEM testing[...]

Adjustment and T roubleshooting Service Manual 4-45 4) Defective F AX FORW ARD Description: RECEIVE is functioning, but FORW ARD is not functioning or received data is corrupt. 1. Check if there is a NOISE line by pressing on-hook dial and listening. If you can hear a noisy line when using on-hook dial, replace or repair the telephone line. 2. Chec[...]

Service Manual Adjustment and T roubleshooting 4-46 5) Defective F AX RECEIVE (1) Description: FOR W ARD is functioning, but RECEIVE is not functioning or the received data is corrupt. 1. Check if there is a NOISE line by pressing on-hook dial and listening If you can hear a noisy line when using on-hook dial, replace or repair the telephone line. [...]

Adjustment and T roubleshooting Service Manual 4-47 6) Defective F AX RECEIVE (2) Description: Received data are lengthened or cut in the printing. 1. Check if there is a NOISE line by pressing on-hook dial and listening If you can hear a noisy line when using on-hook dial, replace or repair the telephone line. 2. Ask sender to send to another fax [...]

Service Manual Adjustment and T roubleshooting 4-48 7) Defective F AX RECEIVE (3) Description: The phone is ringing continuously , but it set does not answer the call. 1. Check that the RECEIVE Mode is set to F AX MODE. If the fault persists even when the RECEIVE Mode is changed to F AX MODE then replace the Main B'd in sequence.[...]

Adjustment and T roubleshooting Service Manual 4-49 8) Defective F AX RECEIVE (4) Description: Received data is reduced by more than 50% in the printing. 1. Check the F AX status of the forwarding side. This is a problem with the sending fax machine. Correct the setting on the remote machine.[...]

Service Manual Adjustment and T roubleshooting 4-50 9) Defective Automatic Receiving Description: The automatic receiving function is not working. 1. Check that the RECEIVE Mode is set to F AX MODE. 1. If the RECEIVE Mode is set to the TEL MODE, reset it to the F AX MODE. 2. Even after the RECEIVE Mode is changed to the F AX Mode, the problem persi[...]

Adjustment and T roubleshooting Service Manual 4-51 4.2.3 Copy Problems 1) White Copy Description: Blank page is printed out when copying. 1. Check the Scanner Cover is properly closed. 2. Check shading profile. 3. Check white/black reference voltage on Main PBA. e.q • CIS_SI, CIS_CLK at Chip(U28) Room light can pass through a thin original. Redo[...]

Service Manual Adjustment and T roubleshooting 4-52 2) Black Copy Description: Black page is printed out when Copying. 1. Check for CIS problem on the Main PBA. 2. Check shading profile. Check the CIS harness is properly connected. Redo shading profile in the tech mode.[...]

Adjustment and T roubleshooting Service Manual 4-53 3) Abnormal noise Description: There is noise from the Platen when copying. 1. Check the Scan Motor and gesr . 2. Check the Motor Driver on Driver PBA. Check for correct assembly of gear and motor . Ensure no parts are fouling and there are no foreign objects in the mechanism or scanner path. Repl[...]

Service Manual Adjustment and T roubleshooting 4-54 4) Defective Image Quality Description: The copied image is excessively light or dark 1. Check shading profile. 2. Check the gap between original and scanner glass. 3. Check printing quality . Redo shading profile in the tech mode. A gap of more than 0.5 mm can cause a blurred image. Ensure cover [...]

Adjustment and T roubleshooting Service Manual 4-55 4.2.4 Paper Feed problems – Causes and Solutions 1) Wrong Print Position Description: Printing begins at wrong position on the paper . Wrong sensor timing caused by defective feed sensor actuator . Replace the defective actuator[...]

Service Manual Adjustment and T roubleshooting 4-56 2) JAM 0 Description: 1. Paper is not exited from the cassette. 2. Jam-0 occurs when the paper feeds into the printer 3. Check paper separator pad 4. Check the pick up roller for contamination and correct assembly . 5. If continuous clusters occur , check all rollers between pickup and registratio[...]

Adjustment and T roubleshooting Service Manual 4-57 6. If the paper feeds into the printer and Jam 0 occurs, perform T ech Mode to check feed sensor . Check the SMPS PBA, Main PBA and all connections. Continue.. PTL P I C K / R PR CR DR SR TR FR Empty Sensor OPC L S U Fuser T oner Car tridge EXIT Sensor Feed Sensor MP Sensor[...]

Service Manual Adjustment and T roubleshooting 4-58 3) JAM 1 Description: 1. Paper is jammed in front of or inside the fuser . 2. Paper is stuck in the exit roller and in the fuser just after passing through the Actuator-Feed. 1. If the recording paper is jammed in front of or inside the fuser . 2. If the recording paper is stuck in the discharge r[...]

Adjustment and T roubleshooting Service Manual 4-59 4) JAM 2 Description: 1. Recording paper is jammed in front of or inside the fuser . 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed. 2. If the paper is rolled in the Fuser Roller: 1. If the paper is completely fed out of the printe[...]

Service Manual Adjustment and T roubleshooting 4-60 5) Multi-Feeding Description: Multiple sheets of paper are fed at once. 1. Check that the paper size guides are set correctly (cassette and MPF tray). Adjust paper guides. 2. Solenoid malfunction (the solenoid does not work properly). Replace the solenoids or PBA as appropriate. 3. Friction Pad is[...]

Adjustment and T roubleshooting Service Manual 4-61 6) Paper rolled in the fuser Description: Paper rolled around fuser rollers or ‘Concertina’ jam 1. Contamination of the pressure roller or heat roller . After disassembling the fuser , clean contamination from between the heat roller and the thermistor and also clean contamination from the pre[...]

Service Manual Adjustment and T roubleshooting 4-62 7) Paper rolled on the OPC Drum Description: Paper is rolled up in the OPC. 1. Paper is too thin. Use paper that conforms to the printer specification. 2. The face of paper is curled. Ensure paper is stored properly to prevent curl. Note. T o remove paper rolled in the OPC. • Remove the toner ca[...]

Adjustment and T roubleshooting Service Manual 4-63 4.2.5 Printer Faults – Causes and Solutions 1) Fuser Error Description: A message "Open Heat Error/Over heat/Heating Error' is displayed in the LCD panel. 1. Thermostat, fuser power cable or heat lamp is open circuit. Replace the whole fuser assembly if the thermostat is open circuit. [...]

Service Manual Adjustment and T roubleshooting 4-64 2) LSU Error Description: A message “LSU Error” is displayed in the LCD panel. 1. LSU cable or connector faulty . Use TECH mode to test the LSU - Replace the LSU - Replace a main board if the same error persists after replacing a LSU. Use TECH mode to test the LSU - Replace the LSU - Replace a[...]

Adjustment and T roubleshooting Service Manual 4-65 3) Fuser gear melts due to overheating causing Paper Jam. Description: Constant Jam where paper is entering Fuser unit. Fuser rollers do not turn 1. Check the Heat Lamp, thermostat and thermistor Use EDC Mode to test the fuser . Replace Fuser unit Replace SMPS or Main PBA as appropriate.[...]

Service Manual Adjustment and T roubleshooting 4-66 4) Paper Empty Description: Paper Empty is displayed in the LCD panel even when paper is loaded in the cassette. 1. Deformed paper sensor actuator or faulty sensor . Replace the defective actuator or sensor . Replace the SMPS PBA or MAIN PBA as appropriate. 2. SMPS PBA or Main PBA is defective. 3.[...]

Adjustment and T roubleshooting Service Manual 4-67 5) Paper Empty without indication Description: The paper empty message does not appear in the LCD when the paper cassette is empty . 1. Deformed paper sensor actuator or faulty sensor . Replace the defective actuator . Replace the SMPS PBA or MAIN PBA as appropriate. 2. SMPS PBA or Main PBA is def[...]

Service Manual Adjustment and T roubleshooting 4-68 6) Cover Open Description: The Cover Open message appears on the LCD even when the print cover is closed. 1. The ‘Open Cover’ microswitch may be stuck or faulty . Use TECH mode(“cover sensor test”) to check cover switch operation. Check and replace switch if necessary . Replace the front c[...]

Adjustment and T roubleshooting Service Manual 4-69 7) No error message when the cover is open Description: The Cover Open message does not appears on the LCD even when the print cover is open. 1. The ‘Open Cover’ microswitch may be stuck or faulty . Use TECH mode(“cover sensor test”) to check cover switch operation. Check and replace switc[...]

Service Manual Adjustment and T roubleshooting 4-70 8) Defective motor operation Description: Main motor is faulty and paper does not feed into the printer , resulting in Jam 0' 1. The main motor harness or Motor PCB may be faulty . Check the motor harnesses and connectors, replace if defective.. If the problem persists replace the main PBA. N[...]

Adjustment and T roubleshooting Service Manual 4-71 9) No Power Description: When system power is turned on the LCD panel does not come on. 1. Check if the power input and SMPS output are normal. 2. LCD panel does not come on but normal start up sounds are heard. 3. After replacing SMPS display does not come on and no start up sounds are heard. Rep[...]

Service Manual Adjustment and T roubleshooting 4-72 10) Printed V ertical Lines become curved Description: When printing, vertical lines are not straight. 1. Check stability of 24V supply to LSU. 24V stable - Replace LSU. 24V unstable replace SMPS, if the problem persists replace the main PBA.[...]

Adjustment and T roubleshooting Service Manual 4-73 4.2.6 T oner Cartridge Service Only authorized toner cartridges should be used. Printing defects or set damage caused by the use of non-approved toner cartridges or un-licensed toner refills are not covered by the guarantee. 4.2.6.1 Precautions on Safe-keeping of T oner Cartridge Excessive exposur[...]

Service Manual Adjustment and T roubleshooting 4-74 4.2.6.3 Standard of guarantee for consumable parts. Please refer to User's Manual or Instructions on Fax/Printer Consumables SVC manual for the criteria for judging the quality of consumable parts the standard of guarantee on those parts. • Spotting a refilled cartridge by eye. One way secu[...]

Adjustment and T roubleshooting Service Manual 4-75 4.2.6.5 Signs and Measures of Poor toner cartridge Fault Signs Cause & Check Solution Light image and partially blank image (Cartridge life is ended.) T oner Contamination • The printed image is light or dirty and untidy . • Parts of the image are not printed. • Periodically a "tick[...]

Service Manual Adjustment and T roubleshooting 4-76 Fault Signs Cause & Check Solution White Black spot Recycled product • Light or dark black dots on the image occur periodically . • White spots occur in the image periodically . • Poor appearance of the toner cartridge. • Dirty or rough printouts. • Bad background in the image. 1. If[...]

Adjustment and T roubleshooting Service Manual 4-77 Fault Signs Cause & Check Solution Ghost & Image Contamination • The printed image is too light or dark, or partially contaminated black. • T otally contaminated black. (Black image printed out) • The density of printouts is too dark and ghost occurs. 1. The printed image is too ligh[...]

Service Manual Adjustment and T roubleshooting 4-78 4.2.7 Software Problems – Causes and Solutions 1) The printer is not working (1) Description: While Power turned on, the printer is not working in the printing mode. 1. Run Self-T est Mode: using the menu buttons print the test page. (Menu, Enter , Enter). If the test print works that means ther[...]

Adjustment and T roubleshooting Service Manual 4-79 2) Abnormal Printing 1. Set up the parallel port using CMOS SETUP . Ensure that ECP (best) or SPP is selected in the CMOS (BIOS) setup. Ensure that the correct driver is loaded. Use the driver supplied on the CD or downloaded from the web site. DO NOT use the Microsoft driver supplied with the Win[...]

Service Manual Adjustment and T roubleshooting 4-80 3) SPOOL Error 1. Insufficient space on the hard disk in the directory assigned for the basic spool. Delete any unnecessary files to provide more space for spool storage. 2. If previous printing errors were not solved. There may be files from previous failed print jobs on the hard disk with the na[...]

Adjustment and T roubleshooting Service Manual 4-81 6. Memory is less than suggested. Add up more memory to the PC. Continue.. How to delete the data in the spool manager . In the spool manager , the installed drivers and the list of the documents waiting to be printed are shown. Select the document to be deleted and check delete in the menu. If th[...]

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Service Manual Exploded View and Parts list 5-1 5. Exploded View s and Parts List 5.1 Main Exploded View 5-2 5.2 T op Cover Exploded View 5-5 5.3 OPE Ass’y Exploded View 5-7 5.4 Scan Upper Ass’y Exploded View 5-9 5.5 Main Frame Exploded View 5-1 1 5.6 Fuser Unit Exploded View 5-14 5.7 Exit Cover Exploded View 5-16 5.8 Cassette Unit Exploded Vie[...]

Service Manual Exploded View and Parts L ist 5-2 5.1 Main Exploded View 0 1 16 2 28 27 3 4 5 6 8 8-1 8-2 6-1 6-2 9 9-1 9-2 9-3 9-4 9-5 9-6 10 11 1 1-1 1 1-2 1 1-3 12 12-1 12-2 14 14-1 13 14-2 14-3 15 T oner Cartridge 17 18 17-1 17-2 17-2 17-2 19 20 21 25 26[...]

Service Manual Exploded View and Parts L ist 5-5 5.2 T op Cover Exploded View 0 1 2 3 4 5 6 5-1 5-2 5-3 7 9 10 11 12 13 8 14 15 16 17 18 19 20 20 21 21-1 21-2[...]

Service Manual Exploded View and Parts L ist 5-7 5.3 OPE Ass’y Exploded View 0 16 1 2 3 4 5 6 17 9 7 8 10 11 12 13 14 15[...]

Service Manual Exploded View and Parts L ist 5-9 5.4 Scan Upper Ass’y Exploded View 0 1 14 2 3 4 5 6 2 4 7 8 9 10 11 12 13[...]

Service Manual Exploded View and Parts List 5-11 msung Electronics 5.5 Main Frame Exploded V iew 1 6 5 11 8 9 10 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 27-1 27-2 27-3 27-4 27-5 27-6 27-4 39 43 44 45 46 47 49 51 47-1 47-2 47-3 47-4 45-1 45-2 45-3 40 41 42 32 34 33 35 36 37 38 0 2 4 3 7 12 13 14 16 25 37 38 50 6 5 13 48 47-5 52 53 6 54 55[...]

Service Manual Exploded View and Parts L ist 5-14 5.6 Fuser Unit Exploded V iew 0 1 2 3 4 5 6 7 8 9 10 11 12 14 16 17 18 19 20 21 22 23 24 25 26 27 28 29 13 15[...]

Service Manual Exploded View and Parts L ist 5-16 5.7 Exit Cover Exploded V iew 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 14[...]

Service Manual Exploded View and Parts L ist 5-18 5.8 Cassette Unit Exploded V iew 0 1 2 3 4 5 5 18 6 7 8 9 10 11 15 16 18 12 13 14 17 18[...]

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Service Manual System Diagram 9-1 6. System Diagram 6.1 Block Diagram US B 1 . 1 IE EE12 84 LD CT L. A UDI O P A R T MO DE M A F E S3C 4 6 Q 0 X AR M9 T D M I GEU P12 84 US B 1. 1 IT U I/ O I/ F DM A C PV C UA RT * 2 ME MO R Y I / F CA CH E ( 4 K ) Image Processor BACKUP FLA S H ME MO R Y ( (Batt.) 2MB ) SDRAM MA I N MO TOR DR I VE R (A 397 8SL P )[...]

Service Manual System Diagram 9-2 DC FA N SMPS / H VP S MP SENSOR MI C R O SWITC H EX I T SE NSOR P_ EM P SEN S OR FEED SENSOR LIU B ' d MAIN B'd +24VS C UT (L SU,SO L,MOT OR ) 1. +24V 2. NC 3. Co n t ro l 1.HOT 2.Neut ral 110 Vf o r USA 220 Vf or E U AC IN- LET & POWER SWITCH F. G CN1 CN3 1 .nP _EM P 2.nP _F EE D 3 ,4. +5V 5 , 6. GN [...]

Service Manual Reference Information 7-1 7. Reference Information This chapter contains the tools list, list of abbreviations used in this manual, and a guide to the location space required when installing the printer . A definition of tests pages is also included. 7.1 T ool for T roubleshooting The following tools are recommended safe and easy tro[...]

Service Manual Reference Information 7-2 7.2 Acronyms and Abbreviations The table in the below explains abbreviations used in this service manual. The contents of this service manual are declared with abbreviations in many parts. Please refer to the table. ADC Analog-to-Digital-Conversion EPP Enhanced Parallel Port AP Access Point F/W Firmware AC A[...]

Service Manual Reference Information 7-3 LCD Liquid Crystal Display SMPS Switching Mode Power Supply LED Light Emitting Diode SPGP Printer Graphic Processor LSU Laser Scanning Unit SPL Printer Language MB Megabyte Spool Simultaneous Peripheral Operation Online MHz Megahertz SURF Surface Rapid Fusing MPBF Mean Prints Between Failure SW Switch MPF/MP[...]

Service Manual Reference Information 7-4 7.3 Select a location for the printer • Leave enough room to open the printer trays, covers, and allow for proper ventilation. (see diagram below) • Provide the proper environment : - A firm, level surface - Away from the direct airflow of air conditioners, heaters, or ventilators - Free of extreme fluct[...]

Service Manual Reference Information 7-5 7.4 Sample T ests Patterns The sample patterns shown below are the standard test patterns used in the factory . The life of the toner cartridge, developer cartridge and printing speed are measured with the pattern shown below (5%). The A4 ISO 19752 standard pattern samples are reproduced reduced to 70% of th[...]

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Muratec America, Inc. 3301 East Plano Parkway, Ste. 100 Plano, Texas 75074 (469) 429-3300 (Tel) (469) 429-3465 (Fax) www.muratec.com[...]