Canon imageCLASS MF5600 Series Service Manual Download | Manualshive

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Chapter 5

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TYPE

HUNGARY

SAF

KOREA

CHINA

GERMAN

FRANCE

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Summary of Contents for imageCLASS MF5600 Series

Page 1: ...Jun 17 2004 Service Manual LaserBase MF5600 Series LaserBase MF5650 ...

Page 2: ......

Page 3: ... need arises In the event of major changes in the contents of this manual over a long or short period Canon will issue a new edition of this manual The following paragraph does not apply to any countries where such provisions are inconsistent with local law Trademarks The product names and company names used in this manual are the registered trademarks of the individual companies Copyright This ma...

Page 4: ...quiring care to avoid combustion fire Indicates an item prohibiting disassembly to avoid electric shocks or problems Indicates an item requiring disconnection of the power plug from the electric outlet Indicates an item intended to provide notes assisting the understanding of the topic in question Indicates an item of reference assisting the understanding of the topic in question Provides a descri...

Page 5: ...sed to indicate Low The voltage value however differs from circuit to circuit In addition the asterisk as in DRMD indicates that the DRMD signal goes on when 0 In practically all cases the internal mechanisms of a microprocessor cannot be checked in the field Therefore the operations of the microprocessors used in the machines are not discussed they are explained in terms of from sensors to the in...

Page 6: ......

Page 7: ...of Toner 1 13 Chapter 2 TECHNICAL REFERENCE 2 1 Document Feed and Exposure System 2 1 2 1 1 Overview Configuration 2 1 2 2 Laser Exposure 2 3 2 2 1 Overview Configuration 2 3 2 3 Image Formation 2 5 2 3 1 Overview Configuration 2 5 2 4 Pickup and Feed System 2 7 2 4 1 Overview Configuration 2 7 2 4 2 Detection Jams 2 8 2 5 Fixing Unit 2 10 2 5 1 Overview Configuration 2 10 2 5 2 Protective Functio...

Page 8: ...1 Cassette Pickup Roller 3 71 3 5 2 Cassette Pickup Solenoid 3 73 3 5 3 Cassette Separation Pad 3 77 3 5 4 Paper Feed Roller 3 78 3 5 5 Manual Pickup Solenoid 3 85 3 5 6 Main Motor 3 89 3 5 7 Gear Unit 3 93 3 6 FIXING SYSTEM 3 96 3 6 1 Fixing Film Unit 3 96 3 6 2 Fixing Pressure Roller 3 101 Chapter 4 MAINTENANCE AND INSPECTION 4 1 Periodically Replaced Parts 4 1 4 1 1 Parts Requiring Periodical R...

Page 9: ...3 Grounding Plate 4 23 4 5 24 CCD Shaft 4 24 4 5 25 Wheel Shaft 4 24 Chapter 5 TROUBLE SHOOTING 5 1 Phenomenon Table 5 1 5 1 1 Symptoms 5 1 5 2 Countermeasure 5 2 5 2 1 Image Faults 5 2 5 2 2 Malfunction 5 2 5 2 3 Printing Scanning 5 3 5 2 4 Transmission Fax Related 5 3 5 2 5 Jam Main Unit 5 4 5 3 Measurement and Adjustment 5 5 5 3 1 Basic Adjustments 5 5 5 4 Service Tools 5 6 5 4 1 Special Tools ...

Page 10: ...Contents ...

Page 11: ...Chapter 1 PRODUCT DESCRIPTION ...

Page 12: ......

Page 13: ...n Delivery 1 5 1 2 3 Scanning Range Transmission 1 6 1 2 4 Printing Range Reception 1 7 1 2 5 Printing Range Printer 1 8 1 2 6 System Requirements for Printer Driver 1 9 1 3 Names of Parts 1 10 1 3 1 External View 1 10 1 3 2 Operation panel 1 12 1 4 Safety 1 13 1 4 1 Safety of Laser Light 1 13 1 4 2 Handling the Laser Unit 1 13 1 4 3 Safety of Toner 1 13 ...

Page 14: ......

Page 15: ...ets 80 g m2 or paper stack within 8 mm thickness including curled sheets temperture 15 deg C to 27 deg C humidity 20 to 80 reference Effective scanning width 208 mm A4 214 mm LTR LGL Scanning method CCD scanning method Reproduction ratio 1 1 1 0 1 2 000 1 1 294 1 0 786 1 0 647 1 0 500 Zoom 0 500 to 2 000 unit 1 Reduction for reception Fixed reduction 75 90 95 97 Auto reduction 75 to 100 Print area...

Page 16: ...Plain paper L Heavy paper Heavy paper H Multi purpose paper type Plain paper Transparency Plain paper L Heavy paper Heavy paper H Cassette capacity Plain paper 64 75 80 g m2 approx 250 sheets Heavy paper 90 105 g m2 approx 200 sheets Heavy paper H 128 g m2 approx 100 sheets Transparency approx 100 sheets Label approx 100 sheets Envelope approx 20 sheets Multi purpose capacity 1 sheet Continuous re...

Page 17: ... T ECM Transmission output level approx 11 dBm Reception input level V 34 9 to 43 dBm V 17 V 27ter V 29 6 to 43 dBm Modem CONEXANT FM336Plus Half tone 256 gradation error diffusion system Dialing Manual dial Numeric buttons Auto dial One touch 11 Coded dial 100 Numeric 1 Group dial max 110 Broadcast transmission Max 100 destinations Delayed transmission None Subaddress transmission None Confidenti...

Page 18: ...4 Mbyte SDRAM Backup battery Rechargeable capacitor Backup time approx 3 minutes Activity management User report Activity management report every 20 communications One touch dial list Coded dial list Group dial list User data list Transmission report Reception report Service report Sysytem data list Sysytem dump list Others Summer time function Yes Directory function Yes Forced memory reception No...

Page 19: ...paper H Transparency Envelope COM10 A4 64 to 90 g m2 18 18 18 12 18 B5 64 to 90 g m2 8 8 4 4 8 A5 64 to 90 g m2 8 8 4 4 8 A4 105 to 128 g m2 18 12 B5 105 to 128 g m2 4 4 LTR 75 to 90 g m2 19 19 19 12 19 LGL 75 to 90 g m2 15 LTR Bond 75 to 90 g m2 105 g m2 19 12 Envelope 4 4 Paper type Face down Face up Plain paper 64 to 75 g m2 Approx 60 sheets 1 sheet Heavy paper 91 to 128 g m2 Approx 30 sheets 1...

Page 20: ...3 2 mm 214 3 2 3 2 mm Effective scanning length Book 291 6 0 6 0 mm 273 4 6 0 6 0 mm Effective scanning length ADF 291 6 0 6 0 mm 273 4 6 0 6 0 mm 349 6 0 6 0 mm Left margin 1 0 2 0 2 0 mm 1 0 2 1 2 1 mm 1 0 2 1 2 1 mm Left margin ADF 1 0 3 5 3 5 mm 1 0 3 6 3 6 mm 1 0 3 6 3 6 mm Right margin 1 0 mm 1 0 mm 1 0 mm Top margin Book 3 0 3 0 3 0 mm 3 0 3 0 3 0 mm Top margin ADF 3 0 3 0 3 0 mm 3 0 3 0 3 ...

Page 21: ...argin 10 Paper trailing edge Item A4 Letter Legal Effective printing width 206 2 0 2 0 mm 212 2 0 2 0 mm 212 2 0 2 0 mm Effective printing length 290 3 0 3 0 mm 272 4 3 0 3 0 mm 348 6 3 0 3 0 mm Left margin 3 0 3 0 3 0 mm 3 0 3 0 3 0 mm 3 0 3 0 3 0 mm Right margin 2 0 3 0 2 0 mm 2 0 3 0 2 0 mm 2 0 3 0 2 0 mm Top margin 3 0 3 0 3 0 mm 3 0 3 0 3 0 mm 3 0 3 0 3 0 mm Bottom margin 5 0 7 0 4 0 mm 5 0 7...

Page 22: ...width 8 Printing drop out range 4 Right margin 9 Printing range 5 Top margin 10 Paper trailing edge Item A4 Letter Legal Effective printing width 206 mm 212 mm 212 mm Effective printing length 290 mm 272 4 mm 348 6 mm Left margin 5 0 mm 5 0 mm 5 0 mm Right margin 5 0 mm 5 0 mm 5 0 mm Top margin 5 0 mm 5 0 mm 5 0 mm Bottom margin 5 0 mm 5 0 mm 5 0 mm 9 8 4 2 5 7 3 6 1 10 ...

Page 23: ...d more than 64 MB of RAM and with Windows 2000 SP4 installed If your PC meets all of these requirements and is preinstalled with USB 2 0 Host Controller the USB 2 0 connection will be guaranteed OS CPU RAM Available Free Disk Space Windows 98 Intel Pentium 90 MHz or greater 32 MB of RAM 64 MB or greater is recommended At least 115 MB 200MB or greater is recommended Windows Me Intel Pentium 150 MHz...

Page 24: ...ont View F 1 4 T 1 10 1 ADF Automatic Document Feeder 7 Front cover 2 Document feeder tray 8 Multi purpose feeder 3 Document output tray 9 Cassette 4 Document guides 10 Telephone line jack 5 Operation panel 11 External device jack 6 Output tray 1 2 3 4 5 6 7 8 9 10 11 ...

Page 25: ...Chapter 1 1 11 F 1 5 T 1 11 Rear View F 1 6 T 1 12 1 Platen glass cover 2 Platen glass 1 USB port 2 Face up cover 3 Power socket 4 Extension cover 1 2 1 4 3 2 ...

Page 26: ...y indicator 16 Status Monitor key 5 Alarm indicator 17 Clear key 6 COPY key 18 LCD 7 FAX key 19 Start key 8 SCAN key 20 Stop Reset key 9 Menu key 21 OK key 10 Cursor key 22 Collate 2on1 key 11 Enlarge Reduce key 23 Image Quality key 12 Exposure key 24 Numeric keys 01 02 03 04 05 06 07 08 09 10 1 2 3 4 5 6 7 8 9 0 11 12 1 2 3 4 5 6 7 8 9 10 11 12 13 15 14 17 16 18 19 20 21 22 23 24 ...

Page 27: ...bly be damaged Never attempt to disassemble the laser scanner unit It is not designed for servicing in the field The covers around the laser scanner unit are identified by the following label 1 F 1 8 1 4 3 Safety of Toner 0002 8619 The machine s toner is a non toxic material composed of plastic iron and small amounts of dye Do not put the toner into fire It may explode Toner on the Skin or Clothes...

Page 28: ...Chapter 1 1 14 ...

Page 29: ...Chapter 2 TECHNICAL REFERENCE ...

Page 30: ......

Page 31: ... 2 3 1 Overview Configuration 2 5 2 3 1 1 Overview 2 5 2 4 Pickup and Feed System 2 7 2 4 1 Overview Configuration 2 7 2 4 1 1 Overview 2 7 2 4 2 Detection Jams 2 8 2 5 Fixing Unit 2 10 2 5 1 Overview Configuration 2 10 2 5 1 1 Overview 2 10 2 5 2 Protective Function 2 11 2 5 2 1 Protective Mechanisms 2 11 2 5 2 2 Detecting a Fault in the Fixing Assembly 2 12 2 6 External and Controls 2 13 2 6 1 P...

Page 32: ......

Page 33: ...view Configuration 2 1 1 1 Overview 0003 1353 F 2 1 T 2 1 1 Slide guide 6 Reading glass 2 Document pick up roller 7 CCD unit 3 Document separation roller 8 Document delivery roller 4 Separation guide 9 Document output tray 5 Document feed roller 5 7 6 8 1 2 3 4 9 ...

Page 34: ...icient of friction among the separation roller documents and separation guide After that the feeder roller feeds the document onto the reading glass and the CCD unit reads out image data of the document then the delivery roller delivers it to the output tray The document feed motor drives the various rollers of the ADF Reading from the platen glass The CCD unit driven by the flatbed motor reads ou...

Page 35: ...l signal and video signals from the engine controller The laser beam moves thorough the collimator less and the cylindrical lens to reach the 4 facet mirror rotating at a specific speed The leaser beam reflected by the 4 facet mirror moves through the imaging lens arranged in front of the 4 facet mirror and the reflecting mirror to reach and focus on the photosensitive drum 1 Laser driver PCB 5 Im...

Page 36: ... the machine does not detect the BDI signal 1 4 sc after it has stopped forcing the scanner motor to accelerate it extends the period of detection by 120 sec if it still does not detect a specific interval of BDI signals it identifies a scanner fault BD Error The machine identifies a BD error if it does not detect the BDI signal at a specific interval while the BDI signal is being generated It how...

Page 37: ...ng video signals The image thus formed on the photosensitive drum is a static latent image it is turned into a visible image by means of the toner from the developing cylinder The resulting toner image is then transferred to paper by the work of the transfer charging roller and the paper is sent to the fixing assembly The surface of the photosensitive drum is cleaned by the cleaning blade so that ...

Page 38: ...to strong light it develops what is know as photo memory which can cause white spots or black lines in images To protect the drum against light the machine is equipped with a drum cover shutter The drum cover shutter must never be opened unless doing so proves to be absolutely necessary ...

Page 39: ... feed 15 Manual feed pickup solenoid 5 Feed roller 16 Cassette paper sensor 6 Transfer assembly photosensitive drum transfer charging roller 17 Manual feed paper sensor 7 Fixing assembly fixing film fixing pressure roller 18 Top sensor 8 Delivery roller 19 Delivery sensor 9 Face up cover 20 Toner sensor MF5550 only 10 Face up delivery 21 Paper full sensor 11 Face down delivery roller 1 13 14 16 7 ...

Page 40: ... turns on the manual feed pickup solenoid to stop the rotation of the feed roller so that the paper will not move forward until the laser scanner and the fixing unit become ready for operation When the laser scanner and the fixing unit become ready for operation the machine turns off the manual feed pickup solenoid to rotate the feed roller thus moving the paper forward the operation thereafter is...

Page 41: ...s a delivery stationary jam if the delivery sensor does not detect the trailing edge of paper for 1 715 sec after the top sensor has detected the trailing edge of paper 2 4 2 4 Other Jams 2 4 2 4 1 Wrap Jam 0003 0665 The machine starts a wrap jam detection sequence in 0 1 sec if it does not detect a delivery delay jam It identifies a wrap jam if the delivery sensor detects the trailing edge of pap...

Page 42: ... film unit and the pressure roller the fixing film has a built in fixing heater thermistor and thermal fuse The toner transferred to paper is heated by the fixing heater which provides heat through the fixing film the toner is forced under the pressure roller so that it is fused into the fibers of the paper under both heat and pressure 1 Fixing film unit 2 Fixing heater 3 Pressure roller 1 3 2 ...

Page 43: ...o Low and turns off the photo triac couple thus cutting off the power to the fixing heater 2 Protective Mechanism by the Fixing Heater Safety Circuit The fixing heater safety circuit monitors the voltage of the fixing heater temperature detection signal from the main thermistor and the sub thermistor at all times If the fixing temperature appreciably exceeds a specific level the machine cuts off t...

Page 44: ...eg C or more for 1 sec continuously while fixing temperature control is under way c the CPU detects that the reading of the main thermistor remains 100 deg C or less for 1 2 sec continuously while paper passage temperature control is under way or the CPU detects that the reading of the main thermistor remains 50 deg C or less for 0 3 sec continuously while between sheets temperature control is und...

Page 45: ...by accident Image data backed up by the capacitor C958 remains for approx 3 minutes In other words the image data will be deleted if the backup time ends Be sure to print image data in advance when you turn off the power for a long time 2 6 1 1 2 Backed up by Capacitor 0006 5556 Image data stored in the DRAM on the SCNT board are backed up for approx 3 minutes by the capacitor C958 Data backed up ...

Page 46: ...itors the following activities which are the triggers to resume the operations When the machine detects any of them it returns to the stand by mode The Energy Saver button on the operation panel is pressed A handset of the external telephone is taken off the hook Receive a CI incoming call A print job is accepted Memo In any of the following states the machine will not enter the Energy Saver mode ...

Page 47: ...Chapter 3 DISASSEMBLY AND ASSEMBLY ...

Page 48: ......

Page 49: ...Cover 3 5 3 1 3 8 Removing the NCU Board 3 6 3 1 3 9 Removing the NCU Case 3 6 3 1 3 10 Removing the Scanner Unit 3 6 3 1 3 11 Removing the Top Cover 3 7 3 1 4 Right Cover 3 7 3 1 4 1 Removing the Cassette 3 7 3 1 4 2 Removing the Reader Right Front Cover 3 7 3 1 4 3 Removing the Right Cover 3 8 3 1 5 Left Cover 3 8 3 1 5 1 Removing the Cassette 3 8 3 1 5 2 Removing the Reader Left Front Cover 3 8...

Page 50: ...NCU Board 3 19 3 1 11 7 Removing the NCU Case 3 19 3 1 11 8 Removing the Front Cover 3 19 3 1 11 9 Removing the Left Front Cover 3 19 3 1 11 10 Removing the DCNT Board 3 20 3 1 12 NCU Board 3 20 3 1 12 1 Removing the Cassette 3 20 3 1 12 2 Removing the Reader Left Front Cover 3 20 3 1 12 3 Removing the Left Cover 3 20 3 1 12 4 Removing the NCU Board 3 21 3 1 13 Modular Board 3 21 3 1 13 1 Removing...

Page 51: ... Sensor 3 32 3 1 17 Paper Delivery Sensor 3 33 3 1 17 1 Removing the Cassette 3 33 3 1 17 2 Removing the Reader Right Front Cover 3 33 3 1 17 3 Removing the Right Cover 3 33 3 1 17 4 Removing the Reader Left Front Cover 3 33 3 1 17 5 Removing the Left Cover 3 33 3 1 17 6 Removing the Front Cover 3 34 3 1 17 7 Removing the Rear Cover 3 34 3 1 17 8 Removing the NCU Board and Modular Board 3 35 3 1 1...

Page 52: ... 1 2 Removing the Reader Right Front Cover 3 47 3 2 1 3 Removing the Right Cover 3 47 3 2 1 4 Removing the Reader Left Front Cover 3 47 3 2 1 5 Removing the Left Cover 3 48 3 2 1 6 Removing the NCU Board 3 48 3 2 1 7 Removing the NCU Case 3 48 3 2 1 8 Removing the Scanner Unit 3 49 3 2 2 ADF Unit 3 49 3 2 2 1 Removing the Cassette 3 49 3 2 2 2 Removing the Reader Right Front Cover 3 49 3 2 2 3 Rem...

Page 53: ...oving the NCU Board 3 63 3 2 5 7 Removing the NCU Case 3 63 3 2 5 8 Removing the Scanner Unit 3 63 3 2 5 9 Removing the Board Unit 3 64 3 2 5 10 Removing the ADF Unit 3 64 3 2 5 11 Removing the LCD Cover 3 65 3 2 5 12 Removing the Operation Panel Unit 3 65 3 2 5 13 Removing the Scanner Cover Unit 3 65 3 2 5 14 Removing the Flatbed Motor Unit 3 65 3 3 LASER EXPOSURE SYSTEM 3 66 3 3 1 Laser Scanner ...

Page 54: ... 1 Removing the Cassette 3 77 3 5 3 2 Removing the Rear of the Cassette 3 77 3 5 3 3 Removing the Cassette Separation Pad 3 78 3 5 4 Paper Feed Roller 3 78 3 5 4 1 Removing the Cassette 3 78 3 5 4 2 Removing the Reader Right Front Cover 3 78 3 5 4 3 Removing the Right Cover 3 79 3 5 4 4 Removing the Reader Left Front Cover 3 79 3 5 4 5 Removing the Left Cover 3 79 3 5 4 6 Removing the Front Cover ...

Page 55: ...92 3 5 7 Gear Unit 3 93 3 5 7 1 Removing the Cassette 3 93 3 5 7 2 Removing the Reader Right Front Cover 3 93 3 5 7 3 Removing the Right Cover 3 93 3 5 7 4 Removing the Reader Left Front Cover 3 93 3 5 7 5 Removing the Left Cover 3 94 3 5 7 6 Removing the Front Cover 3 94 3 5 7 7 Removing the Right Front Cover 3 94 3 5 7 8 Removing the Gear Unit 3 95 3 6 FIXING SYSTEM 3 96 3 6 1 Fixing Film Unit 3...

Page 56: ...3 3 6 2 9 Removing the NCU Case 3 103 3 6 2 10 Removing the Scanner Unit 3 103 3 6 2 11 Removing the Top Cover 3 104 3 6 2 12 Removing the Stay 3 104 3 6 2 13 Removing the Right Frame 3 104 3 6 2 14 Removing the Plate 3 104 3 6 2 15 Removing the Left Frame 3 105 3 6 2 16 Removing the Power Supply Shield Plate 3 105 3 6 2 17 Removing the Fixing Film Unit 3 105 3 6 2 18 Removing the Fixing Pressure ...

Page 57: ...ront cover 4 F 3 1 3 1 1 3 Removing the Right Cover 0002 6894 1 Remove the two screws 1 on the back side F 3 2 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 3 3 1 1 4 Removing the Reader Left Front Cover 0002 6898 1 Open the platen glass cover 1 2 Open the fron...

Page 58: ... F 3 6 3 1 1 6 Removing the Front Cover 0002 6903 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 7 3 1 2 Rear Cover 3 1 2 1 Removing the Cassette 0002 6890 1 Remove the cassette by holding the cassette handle 3 1 2 2 Removing the Reader Right Front Cover 0002 6896 1 Open the platen glass cover 1 2 Open the front cover 2 rem...

Page 59: ... 2 4 Removing the Reader Left Front Cover 0002 6900 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 11 3 1 2 5 Removing the Left Cover 0002 6902 1 Remove the two screws 1 on the back side F 3 12 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove the...

Page 60: ...ve the cassette by holding the cassette handle 3 1 3 2 Removing the Reader Right Front Cover 0002 6909 1 Open the platen glass cover 1 2 Open the front cover 2 remove one screw 3 and remove the reader right front cover 4 F 3 16 3 1 3 3 Removing the Right Cover 0002 6910 1 Remove the two screws 1 on the back side F 3 17 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the ri...

Page 61: ... 1 on the back side F 3 20 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove the cover as if you were opening the bottom side of the left cover 3 F 3 21 3 1 3 6 Removing the Front Cover 0002 6914 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 22 3 1 3 7 Removing th...

Page 62: ... 3 and remove the NCU board 4 F 3 25 3 1 3 9 Removing the NCU Case 0005 9810 1 Remove the three screws 1 then pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 26 3 1 3 10 Removing the Scanner Unit 0005 9811 1 Remove the screw 1 and remove the connector 2 as well as the flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prepa...

Page 63: ...screws 1 2 Remove the connector 2 of the DCNT board 3 Remove the two claws 3 and remove the top cover 4 F 3 30 3 1 4 Right Cover 3 1 4 1 Removing the Cassette 0002 6871 1 Remove the cassette by holding the cassette handle 3 1 4 2 Removing the Reader Right Front Cover 0002 6872 1 Open the platen glass cover 1 2 Open the front cover 2 remove one screw 3 and remove the reader right front cover 4 F 3 ...

Page 64: ...ottom side of the right cover 3 F 3 33 3 1 5 Left Cover 3 1 5 1 Removing the Cassette 0002 6874 1 Remove the cassette by holding the cassette handle 3 1 5 2 Removing the Reader Left Front Cover 0002 6877 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 34 3 1 5 3 Removing the Left Cover 0002 6879 1 Remove th...

Page 65: ...e cassette handle 3 1 6 2 Removing the Reader Right Front Cover 0002 6882 1 Open the platen glass cover 1 2 Open the front cover 2 remove one screw 3 and remove the reader right front cover 4 F 3 37 3 1 6 3 Removing the Right Cover 0002 6883 1 Remove the two screws 1 on the back side F 3 38 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remo...

Page 66: ...over 0002 6886 1 Remove the two screws 1 on the back side F 3 41 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove the cover as if you were opening the bottom side of the left cover 3 F 3 42 3 1 6 6 Removing the Front Cover 0002 6922 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the fr...

Page 67: ...ing the Reader Right Front Cover 0002 6937 1 Open the platen glass cover 1 2 Open the front cover 2 remove one screw 3 and remove the reader right front cover 4 F 3 45 3 1 7 3 Removing the Right Cover 0002 6939 1 Remove the two screws 1 on the back side F 3 46 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were ope...

Page 68: ...over 0002 6941 1 Remove the two screws 1 on the back side F 3 49 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove the cover as if you were opening the bottom side of the left cover 3 F 3 50 3 1 7 6 Removing the Front Cover 0002 6942 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the fr...

Page 69: ...oth sides of the LCD cover 1 to disengage the claws to remove the LCD cover F 3 53 3 1 8 2 Removing the Operation panel Cover 0002 7710 1 Disengage the four claws 2 of the operation panel cover 1 and remove the operation panel cover F 3 54 3 1 9 Operation Panel Unit 3 1 9 1 Removing the LCD Cover 0002 7712 1 Insert a precision flattop screwdriver etc onto the claws 2 in the rear both sides of the ...

Page 70: ...de of the operation panel unit 2 and lift it up After removing the two flat cables remove the operation panel unit F 3 57 3 1 10 SCNT Board 3 1 10 1 Removing the Cassette 0006 2984 1 Remove the cassette by holding the cassette handle 3 1 10 2 Removing the Reader Right Front Cover 0006 2985 1 Open the platen glass cover 1 2 Open the front cover 2 remove one screw 3 and remove the reader right front...

Page 71: ...06 2987 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 61 3 1 10 5 Removing the Left Cover 0006 2988 1 Remove the two screws 1 on the back side F 3 62 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove the cover as if you were opening the bottom si...

Page 72: ... pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 65 3 1 10 8 Removing the Scanner Unit 0005 9966 1 Remove the screw 1 and remove the connector 2 as well as the flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 66 2 Remove the two...

Page 73: ...uipped with the fax function 2 and three flat cables 3 F 3 70 3 1 10 10 Removing the SCNT Board for Units with the Fax Function 0005 9970 1 Remove the two connectors 1 and the two flat cables 2 2 Remove the seven screws 3 and remove the SCNT board 4 F 3 71 3 1 11 DCNT Board 3 1 11 1 Removing the Cassette 0005 9890 1 Remove the cassette by holding the cassette handle 3 1 11 2 Removing the Reader Ri...

Page 74: ...1 11 4 Removing the Reader Left Front Cover 0005 9951 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 75 3 1 11 5 Removing the Left Cover 0005 9952 1 Remove the two screws 1 on the back side F 3 76 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove ...

Page 75: ... screws 1 then pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 79 3 1 11 8 Removing the Front Cover 0005 9950 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 80 3 1 11 9 Removing the Left Front Cover 0005 9957 1 Remove the two screws 1 and then removes the left front cover 2 ...

Page 76: ...1 Remove the cassette by holding the cassette handle 3 1 12 2 Removing the Reader Left Front Cover 0006 2971 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 83 3 1 12 3 Removing the Left Cover 0006 2972 1 Remove the two screws 1 on the back side F 3 84 2 Remove the front screw 1 and then remove the claw 2 3...

Page 77: ...Removing the Reader Left Front Cover 0006 2974 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 87 3 1 13 3 Removing the Left Cover 0006 2976 1 Remove the two screws 1 on the back side F 3 88 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove the cov...

Page 78: ...e 3 1 14 2 Removing the Reader Right Front Cover 0002 7495 1 Open the platen glass cover 1 2 Open the front cover 2 remove one screw 3 and remove the reader right front cover 4 F 3 91 3 1 14 3 Removing the Right Cover 0002 7497 1 Remove the two screws 1 on the back side F 3 92 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover a...

Page 79: ...1 Remove the two screws 1 on the back side F 3 95 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove the cover as if you were opening the bottom side of the left cover 3 F 3 96 3 1 14 6 Removing the NCU Board and Modular Board 0005 9913 1 Remove the two connectors 1 and the flat cable 2 2 Remove the four screws 3 and remove the NCU board 4...

Page 80: ...ening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the rear cover 3 as you slide it toward the rear F 3 100 3 1 14 9 Removing the Power Supply Shield Plate 0002 7523 1 Remove the five screws 1 to remove the power supply shield plate 2 F 3 101 3 1 14 10 Removing the Power Supply Assembly 0005 9911 1 Remove the connector 1 an...

Page 81: ...ly F 3 104 3 1 14 11 Removing the Power Supply Board 0005 9912 1 Remove the connector 1 and the flat cable 2 2 Remove the four screws 3 As you disengage the two spacers 4 remove the power supply board 5 F 3 105 3 1 15 High voitage Power Supply board 3 1 15 1 Removing the Cassette 0002 7494 1 Remove the cassette by holding the cassette handle 3 1 15 2 Removing the Reader Right Front Cover 0002 7496...

Page 82: ... 15 4 Removing the Reader Left Front Cover 0002 7503 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 109 3 1 15 5 Removing the Left Cover 0002 7502 1 Remove the two screws 1 on the back side F 3 110 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove...

Page 83: ...ase 0005 9925 1 Remove the three screws 1 then pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 113 3 1 15 8 Removing the Rear Cover 0002 7506 1 Remove two screws 1 F 3 114 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the rear cover 3 as you slide it toward the rear...

Page 84: ...ternal cover is omitted from the illustration below to show the instructions clearly 3 Remove the four connectors 2 as well as the flat cable 3 on the DCNT board F 3 118 4 As you remove the bosses on both sides 1 lower the front part of the power supply assembly 2 Then pull it to remove the power supply assembly F 3 119 3 1 15 11 Removing the High Voltage Power Supply Board 0005 9927 1 Remove the ...

Page 85: ...emove the two screws 1 on the back side F 3 122 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 123 3 1 16 4 Removing the Reader Left Front Cover 0002 7616 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove t...

Page 86: ...ont Cover 0002 7622 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 127 3 1 16 7 Removing the Rear Cover 0002 7624 1 Remove two screws 1 F 3 128 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the rear cover 3 as you slide it toward the rear F ...

Page 87: ...oward you and lifting it upward remove the NUC case F 3 131 3 1 16 10 Removing the Scanner Unit 0006 3030 1 Remove the screw 1 and remove the connector 2 as well as the flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 132 2 Remove the two front screws 1 F 3 133 3 Remove the two...

Page 88: ... from the illustration below to show the instructions clearly 2 Remove the four connectors 2 as well as the flat cable 3 on the DCNT board F 3 137 3 As you remove the bosses on both sides 1 lower the front part of the power supply assembly 2 Then pull it to remove the power supply assembly F 3 138 3 1 16 14 Removing the Top Sensor 0006 3038 1 Place the main unit down on its front face so that the ...

Page 89: ...15 1 Remove the two screws 1 on the back side F 3 141 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 142 3 1 17 4 Removing the Reader Left Front Cover 0002 7618 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and re...

Page 90: ...ont Cover 0002 7621 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 146 3 1 17 7 Removing the Rear Cover 0002 7623 1 Remove two screws 1 F 3 147 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the rear cover 3 as you slide it toward the rear F ...

Page 91: ...oward you and lifting it upward remove the NUC case F 3 150 3 1 17 10 Removing the Scanner Unit 0006 3046 1 Remove the screw 1 and remove the connector 2 as well as the flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 151 2 Remove the two front screws 1 F 3 152 3 Remove the two...

Page 92: ...ing the Paper Delivery Sensor 0006 3050 1 Remove the connector 1 on the DCNT board and take the cable off the cable guide 2 Remove the screw 2 and remove the paper delivery sensor 3 F 3 156 3 1 18 Paper Full Sensor 3 1 18 1 Removing the Cassette 0002 7674 1 Remove the cassette by holding the cassette handle 3 1 18 2 Removing the Reader Right Front Cover 0002 7677 1 Open the platen glass cover 1 2 ...

Page 93: ... 18 4 Removing the Reader Left Front Cover 0002 7682 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 160 3 1 18 5 Removing the Left Cover 0002 7684 1 Remove the two screws 1 on the back side F 3 161 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove...

Page 94: ...r Cover 0002 7689 1 Remove two screws 1 F 3 164 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the rear cover 3 as you slide it toward the rear F 3 165 3 1 18 8 Removing the NCU Board 0006 3051 1 Remove the two connectors 1 and the flat cable 2 2 Remove the two screws 3 and remove the NCU board 4 F 3 166 1 2 3 1 1 1...

Page 95: ... 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 168 2 Remove the two front screws 1 F 3 169 3 Remove the two screws on the back 1 Slide the scanner unit 2 to the back then remove it by lifting it F 3 170 3 1 18 11 Removing the Top Cover 0006 3055 1 Remove the two screws 1 2 Remove the c...

Page 96: ...02 7675 1 Remove the cassette by holding the cassette handle 3 1 19 2 Removing the Reader Right Front Cover 0002 7678 1 Open the platen glass cover 1 2 Open the front cover 2 remove one screw 3 and remove the reader right front cover 4 F 3 173 3 1 19 3 Removing the Right Cover 0002 7680 1 Remove the two screws 1 on the back side F 3 174 2 Remove the front screw 1 and then remove the claw 2 3 Sligh...

Page 97: ...ver 0002 7685 1 Remove the two screws 1 on the back side F 3 177 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove the cover as if you were opening the bottom side of the left cover 3 F 3 178 3 1 19 6 Removing the Front Cover 0002 7688 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the ...

Page 98: ...er 3 1 20 1 Removing the Cassette 0006 3757 1 Remove the cassette by holding the cassette handle 3 1 20 2 Removing the Reader Right Front Cover 0006 3758 1 Open the platen glass cover 1 2 Open the front cover 2 remove one screw 3 and remove the reader right front cover 4 F 3 182 3 1 20 3 Removing the Right Cover 0006 3759 1 Remove the two screws 1 on the back side F 3 183 2 Remove the front screw ...

Page 99: ...Left Cover 0006 3760 1 Remove the two screws 1 on the back side F 3 186 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove the cover as if you were opening the bottom side of the left cover 3 F 3 187 3 1 20 6 Removing the NCU Board 0006 3764 1 Remove the two connectors 1 and the flat cable 2 2 Remove the two screws 3 and remove the NCU boa...

Page 100: ...able 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 190 2 Remove the two front screws 1 F 3 191 3 Remove the two screws on the back 1 Slide the scanner unit 2 to the back then remove it by lifting it F 3 192 3 1 20 9 Removing the Board Unit 0006 3765 1 Remove the four screws 1 on the ba...

Page 101: ...topper 2 3 Disengage the 3 claws 4 on the ADF front cover 3 to remove the ADF front cover F 3 195 4 Open up the ADF unit 1 vertically Then lift its rear side to remove it from the bushing 5 As you slide the ADF unit to the rear remove it from the front bushing Then lift the ADF unit up to remove it F 3 196 3 1 20 11 Removing the LCD Cover 0006 3769 1 Insert a precision flattop screwdriver etc onto...

Page 102: ...three claws on the sides 3 Lift up the scanner cover unit 4 a little to disengage the other two claws 5 Then remove the scanner cover unit F 3 199 3 1 20 14 Removing the Speaker 0006 3767 1 Disengage the speaker cable 1 from the cable guide F 3 200 2 Remove the two screws 1 of the speaker cover 2 from the lower side of the scanner unit Although the scanner unit is turned over in the illustration y...

Page 103: ...nt cover 4 F 3 202 3 2 1 3 Removing the Right Cover 0002 7557 1 Remove the two screws 1 on the back side F 3 203 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 204 3 2 1 4 Removing the Reader Left Front Cover 0002 7558 1 Open the platen glass cover 1 2 Open the ...

Page 104: ...e cover as if you were opening the bottom side of the left cover 3 F 3 207 3 2 1 6 Removing the NCU Board 0005 9802 1 Remove the two connectors 1 and the flat cable 2 2 Remove the two screws 3 and remove the NCU board 4 F 3 208 3 2 1 7 Removing the NCU Case 0005 9804 1 Remove the three screws 1 then pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 2...

Page 105: ...able again F 3 210 2 Remove the two front screws 1 F 3 211 3 Remove the two screws on the back 1 Slide the scanner unit 2 to the back then remove it by lifting it F 3 212 3 2 2 ADF Unit 3 2 2 1 Removing the Cassette 0002 7745 1 Remove the cassette by holding the cassette handle 3 2 2 2 Removing the Reader Right Front Cover 0002 7749 1 Open the platen glass cover 1 2 Open the front cover 2 remove o...

Page 106: ...2 2 4 Removing the Reader Left Front Cover 0002 7760 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 216 3 2 2 5 Removing the Left Cover 0002 7764 1 Remove the two screws 1 on the back side F 3 217 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove ...

Page 107: ...fting it upward remove the NUC case F 3 220 3 2 2 8 Removing the Scanner Unit 0006 3642 1 Remove the screw 1 and remove the connector 2 as well as the flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 221 2 Remove the two front screws 1 F 3 222 3 Remove the two screws on the bac...

Page 108: ...e flat cables 3 F 3 225 3 2 2 10 Removing the ADF Unit 0002 7778 1 First take the cable on the back side of he scanner unit off the cable guide 2 Open up the ADF unit 1 and move the stopper 2 3 Disengage the 3 claws 4 on the ADF front cover 3 to remove the ADF front cover F 3 226 4 Open up the ADF unit 1 vertically Then lift its rear side to remove it from the bushing 5 As you slide the ADF unit t...

Page 109: ...1 Remove the two screws 1 on the back side F 3 229 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 230 3 2 3 4 Removing the Reader Left Front Cover 0002 7759 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove...

Page 110: ... 3 and remove the NCU board 4 F 3 234 3 2 3 7 Removing the NCU Case 0006 3641 1 Remove the three screws 1 then pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 235 3 2 3 8 Removing the Scanner Unit 0006 3643 1 Remove the screw 1 and remove the connector 2 as well as the flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prep...

Page 111: ...the mounting plate 2 does not get lost F 3 239 2 Open up the board unit 1 and take off the connector at six spots five if the unit is not equipped with the fax function 2 and three flat cables 3 F 3 240 3 2 3 10 Removing the ADF Unit 0002 7780 1 First take the cable on the back side of he scanner unit off the cable guide 2 Open up the ADF unit 1 and move the stopper 2 3 Disengage the 3 claws 4 on ...

Page 112: ...peration Panel Unit 0002 7784 1 Remove the two screws 1 2 Disengage the claw 3 on the rear right side of the operation panel unit 2 and lift it up After removing the two flat cables remove the operation panel unit F 3 244 3 2 3 13 Removing the Scanner Cover Unit 0002 7785 1 Remove the platen glass cover 2 Remove the three screws 1 3 Disengage the front claw 2 and the three claws on the sides 3 Lif...

Page 113: ...e two screws 1 on the back side F 3 247 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 248 3 2 4 4 Removing the Reader Left Front Cover 0002 7758 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader...

Page 114: ...e cover as if you were opening the bottom side of the left cover 3 F 3 251 3 2 4 6 Removing the NCU Board 0006 3646 1 Remove the two connectors 1 and the flat cable 2 2 Remove the two screws 3 and remove the NCU board 4 F 3 252 3 2 4 7 Removing the NCU Case 0006 3645 1 Remove the three screws 1 then pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 2...

Page 115: ... 2 Remove the two front screws 1 F 3 255 3 Remove the two screws on the back 1 Slide the scanner unit 2 to the back then remove it by lifting it F 3 256 3 2 4 9 Removing the Board Unit 0006 3656 1 Remove the four screws 1 on the back side of the scanner unit Ensure that the mounting plate 2 does not get lost F 3 257 2 Open up the board unit 1 and take off the connector at six spots five if the uni...

Page 116: ...de the ADF unit to the rear remove it from the front bushing Then lift the ADF unit up to remove it F 3 260 3 2 4 11 Removing the LCD Cover 0002 7786 1 Insert a precision flattop screwdriver etc onto the claws 2 in the rear both sides of the LCD cover 1 to disengage the claws to remove the LCD cover F 3 261 3 2 4 12 Removing the Operation Panel Unit 0002 7788 1 Remove the two screws 1 2 Disengage ...

Page 117: ... 2 carefully remove the flatbed motor unit 3 F 3 264 3 2 4 15 Removing the CCD Unit 0006 5176 1 Remove the flat cable 1 2 Lift the right side of the shaft 2 to release the stop Then slide it to release the stop on the left side also 3 Remove the CCD unit 3 by pulling it out of the shaft F 3 265 3 2 5 Flatbed Motor Unit 3 2 5 1 Removing the Cassette 0002 7748 1 Remove the cassette by holding the ca...

Page 118: ...2 5 4 Removing the Reader Left Front Cover 0002 7757 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 269 3 2 5 5 Removing the Left Cover 0002 7761 1 Remove the two screws 1 on the back side F 3 270 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove ...

Page 119: ...pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 273 3 2 5 8 Removing the Scanner Unit 0006 3658 1 Remove the screw 1 and remove the connector 2 as well as the flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 274 2 Remove the two...

Page 120: ... unit is not equipped with the fax function 2 and three flat cables 3 F 3 278 3 2 5 10 Removing the ADF Unit 0002 7782 1 First take the cable on the back side of he scanner unit off the cable guide 2 Open up the ADF unit 1 and move the stopper 2 3 Disengage the 3 claws 4 on the ADF front cover 3 to remove the ADF front cover F 3 279 4 Open up the ADF unit 1 vertically Then lift its rear side to re...

Page 121: ...ft it up After removing the two flat cables remove the operation panel unit F 3 282 3 2 5 13 Removing the Scanner Cover Unit 0002 7791 1 Remove the platen glass cover 2 Remove the three screws 1 3 Disengage the front claw 2 and the three claws on the sides 3 Lift up the scanner cover unit 4 a little to disengage the other two claws 5 Then remove the scanner cover unit F 3 283 3 2 5 14 Removing the...

Page 122: ...t cover 4 F 3 285 3 3 1 3 Removing the Right Cover 0002 7544 1 Remove the two screws 1 on the back side F 3 286 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 287 3 3 1 4 Removing the Reader Left Front Cover 0002 7545 1 Open the platen glass cover 1 2 Open the f...

Page 123: ...e left cover 3 F 3 290 3 3 1 6 Removing the Front Cover 0002 7548 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 291 3 3 1 7 Removing the Rear Cover 0002 7547 1 Remove two screws 1 F 3 292 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the re...

Page 124: ...ull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 295 3 3 1 10 Removing the Scanner Unit 0006 3026 1 Remove the screw 1 and remove the connector 2 as well as the flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 296 2 Remove the two...

Page 125: ...r 4 4 Remove the two screws 5 and then removes the left front cover 6 F 3 299 3 3 1 12 Removing the Laser Scanner Unit 0006 3029 1 Remove the connector 1 of the DCNT board Take the cable off the cable clamp The external cover is omitted from the illustration below to show the instructions clearly 2 Take the flat cable 2 off the board of the laser scanner unit 3 Remove the four screws 3 to remove t...

Page 126: ...ransfer Charging Roller 3 4 1 1 Removing the Transfer Charging Roller 0002 7159 1 Open the front cover 2 Hold the two claws 1 on the right side of the roller lifting them up 3 Slide the transfer charging roller 2 by sliding it to the right F 3 301 1 2 ...

Page 127: ...front cover 4 F 3 302 3 5 1 3 Removing the Right Cover 0002 7078 1 Remove the two screws 1 on the back side F 3 303 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 304 3 5 1 4 Removing the Reader Left Front Cover 0002 7081 1 Open the platen glass cover 1 2 Open t...

Page 128: ...tom side of the left cover 3 F 3 307 3 5 1 6 Removing the Front Cover 0002 7088 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 308 3 5 1 7 Removing the Right Front Cover 0002 7092 1 Remove the two screws 1 and then removes the right front cover 2 F 3 309 3 5 1 8 Removing the Gear Unit 0002 7095 1 Remove the 2 screws 1 and d...

Page 129: ... the main unit so that its front faces down i e the inside of the main unit is in view 2 Remove the boss of the bushing 1 and turn it to the front then slide it to detach the bushing 3 Slide the pickup roller 2 to remove it F 3 314 3 5 2 Cassette Pickup Solenoid 3 5 2 1 Removing the Cassette 0002 7055 1 Remove the cassette by holding the cassette handle 3 5 2 2 Removing the Reader Right Front Cove...

Page 130: ...5 2 4 Removing the Reader Left Front Cover 0002 7113 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 318 3 5 2 5 Removing the Left Cover 0002 7116 1 Remove the two screws 1 on the back side F 3 319 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove ...

Page 131: ...ove two screws 1 F 3 322 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the rear cover 3 as you slide it toward the rear F 3 323 3 5 2 8 Removing the NCU Board and Modular Board 0006 3668 1 Remove the two connectors 1 and the flat cable 2 2 Remove the four screws 3 and remove the NCU board 4 and modular board 5 F 3 ...

Page 132: ...he flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 326 2 Remove the two front screws 1 F 3 327 3 Remove the two screws on the back 1 Slide the scanner unit 2 to the back then remove it by lifting it F 3 328 3 5 2 11 Removing the Plate 0006 3671 1 Remove the connector 1 of the ...

Page 133: ...y assembly 2 Then pull it to remove the power supply assembly F 3 332 3 5 2 14 Removing the Cassette Pickup Solenoid 0006 3673 1 Place the main unit down on its front face so that the interior of the main unit is easily visible 2 Remove the connector 1 on the DCNT board and take out the cable from the cable guide 3 Remove the screw 2 to remove the cassette pickup solenoid 3 which is located behind...

Page 134: ...e that the separation pad spring does not get lost 3 Remove both the plate and the cassette separation pad 3 by sliding them to the left F 3 335 4 Remove the two claws 1 and remove the cassette separation pad 2 by sliding it up F 3 336 3 5 4 Paper Feed Roller 3 5 4 1 Removing the Cassette 0002 7105 1 Remove the cassette by holding the cassette handle 3 5 4 2 Removing the Reader Right Front Cover 0...

Page 135: ...5 4 4 Removing the Reader Left Front Cover 0002 7114 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 340 3 5 4 5 Removing the Left Cover 0002 7117 1 Remove the two screws 1 on the back side F 3 341 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove ...

Page 136: ... Cover 0002 7123 1 Remove two screws 1 F 3 344 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the rear cover 3 as you slide it toward the rear F 3 345 3 5 4 8 Removing the NCU Board 0006 3679 1 Remove the two connectors 1 and the flat cable 2 2 Remove the two screws 3 and remove the NCU board 4 F 3 346 1 2 3 1 1 1 3...

Page 137: ...3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 348 2 Remove the two front screws 1 F 3 349 3 Remove the two screws on the back 1 Slide the scanner unit 2 to the back then remove it by lifting it F 3 350 3 5 4 11 Removing the Top Cover 0006 3680 1 Remove the two screws 1 2 Remove the con...

Page 138: ...1 Remove the three screws 1 and then removes the right frame 2 F 3 353 3 5 4 14 Removing the Right Front Cover 0003 7729 1 Remove the two screws 1 and then removes the right front cover 2 F 3 354 3 5 4 15 Removing the Plate 0006 3033 1 Remove the connector 1 of the DCNT board 2 Remove the three screws 2 and then removes the plate 3 F 3 355 1 2 1 2 1 2 1 2 3 ...

Page 139: ...r 0003 7730 1 Remove the two screws 1 and then removes the left front cover 2 F 3 357 3 5 4 18 Removing the Gear Unit 0002 7100 1 Remove the 2 screws 1 and detach the drive plate small 2 F 3 358 2 Remove the 2 gears 1 3 While freeing the claw detach the gear unit 2 F 3 359 3 5 4 19 Removing the Tooth Missing Gear 0002 7101 1 Remove the 2 screws 1 and detach the gear support 2 F 3 360 3 2 2 1 1 2 2...

Page 140: ...screws 3 and while carefully watching the sensor flag removes the DCNT board 4 F 3 362 3 5 4 21 Removing the Manual Stay 0002 7150 1 Remove the three screws 1 While watching the sensor flag carefully remove the manual stay 2 F 3 363 3 5 4 22 Removing the Paper Feed Guide 0002 7102 1 Remove the screw 1 and detach the paper feed guide 2 F 3 364 3 5 4 23 Removing the Paper Feed Roller 0002 7104 1 Lif...

Page 141: ...2 1 Remove the two screws 1 on the back side F 3 367 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 368 3 5 5 4 Removing the Reader Left Front Cover 0002 7115 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remo...

Page 142: ...ont Cover 0002 7121 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 372 3 5 5 7 Removing the Rear Cover 0002 7124 1 Remove two screws 1 F 3 373 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the rear cover 3 as you slide it toward the rear F 3...

Page 143: ...hree screws 1 then pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 376 3 5 5 10 Removing the Right Front Cover 0002 7136 1 Remove the two screws 1 and then removes the right front cover 2 F 3 377 3 5 5 11 Removing the Gear Unit 0005 4218 1 Remove the 2 screws 1 and detach the drive plate small 2 F 3 378 2 Remove the 2 gears 1 3 While freeing the cl...

Page 144: ...ield Plate 0002 7816 1 Remove the five screws 1 to remove the power supply shield plate 2 F 3 382 3 5 5 14 Removing the Power Supply Assembly 0006 3694 1 Remove the connector 1 and remove the cable from the cable guide F 3 383 2 Remove the three screws 1 The external cover is omitted from the illustration below to show the instructions clearly 3 Remove the four connectors 2 as well as the flat cab...

Page 145: ...isible 2 Remove the cable 1 from the cable guide 3 Remove the screw 2 to remove the manual pickup solenoid 3 F 3 386 3 5 6 Main Motor 3 5 6 1 Removing the Cassette 0002 7570 1 Remove the cassette by holding the cassette handle 3 5 6 2 Removing the Reader Right Front Cover 0002 7572 1 Open the platen glass cover 1 2 Open the front cover 2 remove one screw 3 and remove the reader right front cover 4...

Page 146: ...2 7576 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 and remove the reader left front cover 5 F 3 390 3 5 6 5 Removing the Left Cover 0002 7579 1 Remove the two screws 1 on the back side F 3 391 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the left side of the unit and remove the cover as if you were opening the bottom si...

Page 147: ...ase 0006 3703 1 Remove the three screws 1 then pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 394 3 5 6 8 Removing the Rear Cover 0002 7582 1 Remove two screws 1 F 3 395 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the rear cover 3 as you slide it toward the rear ...

Page 148: ...itted from the illustration below to show the instructions clearly 3 Remove the four connectors 2 as well as the flat cable 3 on the DCNT board F 3 399 4 As you remove the bosses on both sides 1 lower the front part of the power supply assembly 2 Then pull it to remove the power supply assembly F 3 400 3 5 6 11 Removing the Main Motor 0002 7607 1 Place the main unit down on its front face so that ...

Page 149: ...3 5 7 3 Removing the Right Cover 0002 7574 1 Remove the two screws 1 on the back side F 3 403 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 404 3 5 7 4 Removing the Reader Left Front Cover 0002 7577 1 Open the platen glass cover 1 2 Open the front cover 2 and t...

Page 150: ...unit and remove the cover as if you were opening the bottom side of the left cover 3 F 3 407 3 5 7 6 Removing the Front Cover 0002 7581 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 408 3 5 7 7 Removing the Right Front Cover 0002 7594 1 Remove the two screws 1 and then removes the right front cover 2 F 3 409 1 1 3 2 1 2 3 ...

Page 151: ...ter 3 3 95 3 5 7 8 Removing the Gear Unit 0002 7601 1 Remove the 2 screws 1 and detach the drive plate small 2 F 3 410 2 Remove the 2 gears 1 3 While freeing the claw detach the gear unit 2 F 3 411 2 1 2 1 ...

Page 152: ...02 7195 1 Remove the two screws 1 on the back side F 3 413 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 414 3 6 1 4 Removing the Reader Left Front Cover 0002 7198 1 Open the platen glass cover 1 2 Open the front cover 2 and the ADF part 3 remove one screw 4 an...

Page 153: ...ont Cover 0002 7202 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 418 3 6 1 7 Removing the Rear Cover 0002 7204 1 Remove two screws 1 F 3 419 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the rear cover 3 as you slide it toward the rear F 3...

Page 154: ...ull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 422 3 6 1 10 Removing the Scanner Unit 0006 3733 1 Remove the screw 1 and remove the connector 2 as well as the flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 423 2 Remove the two...

Page 155: ...emove the two claws 3 and remove the top cover 4 F 3 426 3 6 1 12 Removing the Stay 0002 7468 1 Remove the two screws 1 and then removes the stay 2 F 3 427 3 6 1 13 Removing the Right Frame 0002 7469 1 Remove the three screws 1 and then removes the right frame 2 F 3 428 3 6 1 14 Removing the Plate 0006 3729 1 Remove the connector 1 of the DCNT board 2 Remove the three screws 2 and then removes the...

Page 156: ...the power supply shield plate 2 F 3 431 3 6 1 17 Removing the Fixing Film Unit 0006 3727 1 Remove the two screws 1 and take off the Fixing cover 2 F 3 432 2 Remove the two screws 1 Remove the Fixing entrance guide 2 by sliding it sideways back and forth F 3 433 3 Disengage the connector 1 of the power supply board 4 Remove the grounding springs and the pressure springs 2 on both sides 5 Remove the...

Page 157: ... one screw 3 and remove the reader right front cover 4 F 3 436 3 6 2 3 Removing the Right Cover 0002 7196 1 Remove the two screws 1 on the back side F 3 437 2 Remove the front screw 1 and then remove the claw 2 3 Slightly lift up the right side of the unit and remove the cover as if you were opening the bottom side of the right cover 3 F 3 438 3 6 2 4 Removing the Reader Left Front Cover 0002 7199...

Page 158: ...e left cover 3 F 3 441 3 6 2 6 Removing the Front Cover 0002 7203 1 Remove the arm claws 1 to disengage the connection 2 Remove the shafts on both sides 2 and remove the front cover 3 F 3 442 3 6 2 7 Removing the Rear Cover 0002 7205 1 Remove two screws 1 F 3 443 2 Opening the face up cover 1 and then lower the fixing pressure release levers 2 on both sides and release the pressure 3 Remove the re...

Page 159: ...pull the upper portion of the NCU case 2 toward you and lifting it upward remove the NUC case F 3 446 3 6 2 10 Removing the Scanner Unit 0006 3734 1 Remove the screw 1 and remove the connector 2 as well as the flat cable 3 on the DCNT board Remove the tape holding the cable in advance Prepare a new tape Part No AZ7 0008 of a suitable length before you attach the cable again F 3 447 2 Remove the tw...

Page 160: ...Remove the two claws 3 and remove the top cover 4 F 3 450 3 6 2 12 Removing the Stay 0002 7473 1 Remove the two screws 1 and then removes the stay 2 F 3 451 3 6 2 13 Removing the Right Frame 0002 7474 1 Remove the three screws 1 and then removes the right frame 2 F 3 452 3 6 2 14 Removing the Plate 0006 3730 1 Remove the connector 1 of the DCNT board 2 Remove the three screws 2 and then removes th...

Page 161: ...the power supply shield plate 2 F 3 455 3 6 2 17 Removing the Fixing Film Unit 0006 3728 1 Remove the two screws 1 and take off the Fixing cover 2 F 3 456 2 Remove the two screws 1 Remove the Fixing entrance guide 2 by sliding it sideways back and forth F 3 457 3 Disengage the connector 1 of the power supply board 4 Remove the grounding springs and the pressure springs 2 on both sides 5 Remove the...

Page 162: ...ving the Fixing Pressure Roller 0006 3726 1 Remove the gear 1 by disengaging the claw 2 Take out the boss of the bushing 2 turn it and remove the bushing F 3 460 3 Hold the shorter shaft 2 of the Fixing pressure roller 1 and lift it up at an angle to remove it from the bushing Remove the Fixing pressure roller by sliding it F 3 461 1 2 1 2 2 1 ...

Page 163: ...Chapter 4 MAINTENANCE AND INSPECTION ...

Page 164: ......

Page 165: ...ve Transmission Gear 4 11 4 5 4 Large Gear Bushing R 4 12 4 5 5 Large Gear 4 12 4 5 6 Feed Gear 4 13 4 5 7 Internal Gear 4 13 4 5 8 Large Gear Deceleration Gear Plate R 4 14 4 5 9 Main Motor 4 15 4 5 10 Drive Releasing Arm 4 16 4 5 11 FU Delivery Roller 4 17 4 5 12 Pickup Idler Gear 4 18 4 5 13 Feed Deceleration Gear 4 18 4 5 14 Fixing Deceleration Gear 4 19 4 5 15 FD Delivery Roller 4 20 4 5 16 L...

Page 166: ......

Page 167: ...Chapter 4 4 1 4 1 Periodically Replaced Parts 4 1 1 Parts Requiring Periodical Replacement 0003 0867 The machine does not have parts that require periodical replacement ...

Page 168: ...Chapter 4 4 2 4 2 Consumables 4 2 1 Consumable 0007 3320 T 4 1 Work by Item Interval guide User Cartridge EP 27 When toner in the toner cartridge being used has run out Service Techician None ...

Page 169: ...Chapter 4 4 3 4 3 Periodical Service 4 3 1 Items Requiring Scheduled Servicing 0003 0865 The machine does not have items that require scheduled servicing ...

Page 170: ...very roller When document feed performance has lowered White sheet When image scanned from the ADF becomes lighter Cassette pickup roller When paper pickup performance has lowered Cassette separation pad When paper separation performance has lowered Feed roller When paper feed performance has lowered Transfer charging roller When the back of paper tends to become soiled or when a white spot appear...

Page 171: ... wrung then wipe the soiling If you have used detergent be sure to remove its residue using a soft moist cloth After removing all soiling dry wipe the area with a soft dry cloth 4 4 3 Cleaning Method scanning unit 0003 2232 F 4 1 1 Document pickup roller Open the ADF and wipe any dirt off with a soft dry cloth 2 Document separation roller Open the ADF and wipe any dirt off with a soft dry cloth 3 ...

Page 172: ...lass cover and wipe any dirt off with a soft dry cloth 8 ADF scanning area Open the ADF and wipe any dirt off with a soft dry cloth 9 White sheet Open the ADF and wipe any dirt off with a soft dry cloth 4 4 4 Cleaning Method printer unit 0003 2121 F 4 2 1 Cassette Pickup Roller Use lint free paper to remove soling 2 Cassette Separation Pad Use lint free paper to remove soling 3 Feed Roller Use lin...

Page 173: ...ing lint free paper or the roller is deformed replace the roller 5 Static Eliminator Remove dust and paper lint using a brush 6 Paper Feed Guide Use lint free paper to remove soiling 7 Fixing Inlet Guide Use lint free paper moistened with isopropyl alcohol to remove the soiling 8 Fixing Film Use lint free paper to remove soiling 9 Fixing Pressure Roller Use lint free paper to remove soiling ...

Page 174: ...ease be sure to apply grease Printer unit F 4 3 T 4 3 1 Delivery idler gear 10 FU delivery roller 2 Fixing drive transmission gear 11 Pickup idler gear 3 Large gear bushing R 12 Feed deceleration gear 4 Large gear 13 Fixing deceleration gear 5 Feed gear 14 FD delivery gear 6 Internal gear 15 Large gear bushing F 7 Large gear deceleration gear Plate R 16 Pressure roller 8 Main motor 17 Cassette pic...

Page 175: ...Chapter 4 4 9 ADF unit F 4 4 T 4 4 1 U turn roller gear 4 Separation guide bushing 2 Roller shaft end face front 5 Grounding plate 3 Roller shaft end face rear 5 4 5 1 2 3 ...

Page 176: ...Chapter 4 4 10 Scanner unit F 4 5 T 4 5 1 CCD shaft 2 Wheel shaft 1 2 ...

Page 177: ...on 2 locations on gear support shaft in opposition spread in axial direction F 4 6 4 5 3 Fixing Drive Transmission Gear 0002 7929 Area of application 1 Grease MOLYKOTE EM 50L Amount 10 5 mg Location of application 2 locations on gear butting ribs in opposition spread in circumferential direction over a length of 1 4 or more F 4 7 1 1 ...

Page 178: ...l surface on inner circumferential side of bushing spread in circumferential direction over a length of 1 2 or more F 4 8 4 5 5 Large Gear 0002 7933 Area of application 1 Grease MOLYKOTE EM 50L Amount 20 10 mg Location of application rib against which gear is butted spread in circumferential direction over a length of 1 2 or more F 4 9 1 1 ...

Page 179: ...n of application 1 location on boss engaging with internal gear spread in axial direction F 4 10 4 5 7 Internal Gear 0002 7937 Area of application 1 Grease MOLYKOTE EM 50L Amount 40 10 mg Location of application 5 teeth or more of internal gear in opposition 2 locations in circumferential direction F 4 11 1 1 ...

Page 180: ...KOTE EM 50L Amount 40 10 mg Location of application 5 teeth or more covering entire small dia tooth area Are of application 2 Grease MOLYKOTE EM 50L Amount 10 5 mg Location of application support shaft of plate R sliding surface against large gear deceleration gear spread in axial direction F 4 12 1 2 ...

Page 181: ...Chapter 4 4 15 4 5 9 Main Motor 0002 7939 Area of application 1 Grease MOLYKOTE EM 50L Amount 40 10 mg Location of application 5 teeth or more covering entire gear width F 4 13 1 ...

Page 182: ...16 4 5 10 Drive Releasing Arm 0002 7940 Area of application 1 Grease MOLYKOTE EM 50L Amount 10 5 mg Location of application 4 locations on sliding surface against gear support shaft of drive releasing arm F 4 14 1 ...

Page 183: ...nst FU grounding spring Area of application 2 Grease MOLYKOTE EM 50L Amount 10 5 mg Location of application sliding surface between FU delivery roller shaft and FU delivery roller bushing Area of application 3 Grease MOLYKOTE EM 50L Amount 10 5 mg Location of application sliding surface between FU delivery roller shaft and delivery guide FU delivery roller shaft stop rib F 4 15 1 2 3 ...

Page 184: ...ions on pickup idler gear support shaft 5 teeth or more covering entire large diameter tooth surface of pickup idler gear F 4 16 4 5 13 Feed Deceleration Gear 0002 7946 Area of application 1 Grease MOLYKOTE EM 50L Amount 10 5 mg Location of application 2 locations on feed deceleration gear support shaft spread in axial direction F 4 17 1 1 ...

Page 185: ...small diameter teeth Area of application 2 Grease MOLYKOTE EM 50L Amount 10 5 mg Location application tip of feed deceleration gear butting rib in circumferential direction over a length of 1 2 or more Area of location 3 Grease MOLYKOTE EM 50L Amount 10 5 mg Location of application sliding surface against plate R of fixing deceleration gear in circumstantial direction over a length of 1 2 or more ...

Page 186: ... 50L Amount 30 5 mg Location of application entire sliding surface against FD delivery bushing F 4 19 4 5 16 Large Gear Bushing F 0002 7950 Area of application 1 Grease MOLYKOTE EM 50L Amount 10 5 mg Location of application entire sliding surface against large gear support shaft F 4 20 1 1 1 ...

Page 187: ...e of pressure roller shaft sliding surface against contact spring F F 4 21 4 5 18 Cassette Pickup Roller 0003 6451 Area of application 1 Grease MOLYKOTE EM 50L Amount approx 10 mg Location of application cassette pickup roller shaft main unit frame around the bushing and the area where contacts the cassette pickup bushing F 4 22 1 1 ...

Page 188: ... front 0002 8027 Area of application 1 Grease IF 20 Amount approx 12 mg Location of application the front end face of each roller shaft i e the area where contacts the grounding plate F 4 24 4 5 21 Roller Shaft End Face rear 0002 8033 Area of application 1 Grease IF 20 Amount approx 12 mg Location of application the rear end face of the U turn roller shaft i e the area where contacts the grounding...

Page 189: ...E EMD 110 Amount approx 6 mg Location of application separation guide bushing F 4 26 4 5 23 Grounding Plate 0002 8038 Area of application 1 Grease IF 20 Amount approx 12 mg Location of application all the contact areas of the grounding plate i e areas where contact the roller shafts F 4 27 1 1 ...

Page 190: ... amount Location of application part of CCD shaft where contacts the CCD unit all the faces in the shaft direction F 4 28 4 5 25 Wheel Shaft 0003 8207 Area of application 1 Grease MOLYKOTE EM 50L Amount suitable amount Location of application part of wheel shaft where contacts the wheel unit F 4 29 1 1 ...

Page 191: ...Chapter 5 TROUBLE SHOOTING ...

Page 192: ......

Page 193: ...r Codes 5 7 5 5 2 2 001 TX Document has jammed 5 8 5 5 2 3 003 TX RX Document is too long or page time over 5 8 5 5 2 4 005 TX RX Initial identification T0 T1 time over 5 9 5 5 2 5 009 RX Recording paper has jammed or the recording paper has run out 5 10 5 5 3 Service Error Code 5 11 5 5 3 1 Unique Remedies Service Error Codes 5 11 5 5 3 2 E000 Fixing Unit Failure 5 11 5 5 3 3 E100 Laser Scanner U...

Page 194: ......

Page 195: ... size paper There are cases where the latest 20 transactions are not properly output at the time of manual output of a Activity report Printing Scanning When legal paper is used to copy multiple documents image at the top of the 2nd document is printed on the bottom of the 1st legal sheet Transmission Fax Related Phone number dialed with the numeric keys does not remain as a redial history at the ...

Page 196: ...1 Control Panel Related 5 2 2 1 1 When manual paper size is set to envelope the LCD in standby mode shows ENV regardless of envelope type 0006 6864 Cause The LCD in standby mode does not support envelop type indications Field Remedy Display the User data registration screen or output a User data list to check envelope type 5 2 2 2 Malfunction Faulty Detection 5 2 2 2 1 When paper size is set to A5...

Page 197: ...se If legal paper is used to copy 2 or more documents but paper type is set to other than legal image data of the 2nd document is sent following the 1st document Therefore image at the top of the 2nd document is printed on the bottom of the 1st legal sheet Field Remedy Set correct paper type and size 5 2 4 Transmission Fax Related 5 2 4 1 Transmission Problem 5 2 4 1 1 Phone number dialed with the...

Page 198: ...tte in the designated place 5 2 5 2 The machine identifies a jam when its power is turned off and then on with paper in its manual feed section 0006 6910 Cause The machine is designed to identify a jam if the manual feed paper sensor is on when it is tuned on as it is not sure whether the paper is set correctly or incorrectly Field Remedy Remove the paper open and close the front cover and place t...

Page 199: ...Chapter 5 5 5 5 3 Measurement and Adjustment 5 3 1 Basic Adjustments 5 3 1 1 Items of Adjustment 0003 3366 The machine does not have items that are cited for adjustment ...

Page 200: ...iption Parts No Grease MOLYKOTE EM 50L Apply to specified areas HY9 0007 Grease MOLYKOTE EMD 110 Apply to specified areas HY9 0023 Grease IF 20 Apply to specified areas CK 8006 Grease MOLYKOTE 41 Apply to specified areas CK 8007 Adhesive tape 19mm x 50m To secure cables AZ7 0008 ...

Page 201: ...ted as a service man error code in the form of number or SYSTEM ERROR E number Memo A service error code expressed in the form of number will not appear on the LCD Error Tx Report or Activity Report while the machine remains in factory default state To check a service error code shift bit 0 of service soft switch 1 SSSW SW01 to 1 Memo Display only the error codes which are newly incorporated in th...

Page 202: ...ensor DES and SCNT board J806 connections 4 Make a copy and make sure that the document read motor is operating corrctly 5 Check the document read motor and SCNT board J805 connections 6 Replace the document sensor DS 7 Replace the document edge sensor DES 8 Replace the document read motor 9 Replace the SCNT board 5 5 2 3 003 TX RX Document is too long or page time over 0007 2930 Cause The length ...

Page 203: ...ached 3 Check the document sensor DS document edge sensor DES and SCNT board J806 connections 4 Replace the document sensor DS 5 Replace the document edge sensor DES 6 Replace the SCNT board 5 5 2 4 005 TX RX Initial identification T0 T1 time over 0007 2937 Cause The tone pulse setting is wrong Remedy Make the correct tone pulse setting Cause The time it takes to connect to the other party s line ...

Page 204: ...er 3 Ask the operator of the other party to provide echo remedy 2 4 Ask the operator of the other party to decrease the transmission level Cause During reception the machine malfunctioned because of an echo Remedy Provide echo remedy 2 Memo Echo Remedy 2 by the receiving machine adds a 1080 Hz total signal before transmission of CED Set SW03 bit 7 of service soft switch 1 SSSW to 1 so that a 1080 ...

Page 205: ...Replace the paper delivery senor 9 Replace the cassette pickup solenoid 10 Replace the manual pickup solenoid 11 Replace the main motor 12 Replace the DCNT board 13 Replace the High voltage power suppy board 14 Replace the SCNT board 5 5 3 Service Error Code 5 5 3 1 Unique Remedies Service Error Codes 0007 2942 T 5 4 5 5 3 2 E000 Fixing Unit Failure 0007 2944 Cause Fixing unit failure Remedy 1 Tur...

Page 206: ...ower off and on 2 Make sure that the Laser Scanner unit J801 and DCNT board J503 are properly connected 3 Make sure that the Laser Scanner unit and DCNT board J504 are properly connected 4 Make sure connections of the boards power supply board CN101 DCNT board J501 and SCNT board J804 5 Replace the Laser Scanner unit ...

Page 207: ...he display SSSW Service Soft Switch settings These setting items are for basic fax service functions such as error management echo countermeasures and communication trouble countermeasures NUMERIC PARAMETER NUMERIC parameter settings These setting items are for inputting numeric parameters such as the various conditions for the RTN signal transmission SPECIAL These setting items are for telephone ...

Page 208: ...arameters and their default values in this machine are shown in Service Data Flowchart However detailed descriptions of only service data newly added to this machine are provided For descriptions of other service data which have been used with existing machines please see the G3 Facsimile SERVICE DATA HANDBOOK Rev 0 which is supplied separately 5 6 1 3 Service Data Entry Method 0006 5730 You can e...

Page 209: ...sed Not used Not used Communication trouble solution settings 2 Not used Not used Not used Not used Not used Not used Not used Not used Not used V 8 V 34 protoccol settings Not used Not used Not used Not used Not used Not used Service soft switch setting 7 6 5 4 3 2 1 0 SW01 SW02 SW03 SW04 SW05 SW06 SW07 SW08 SW09 SW10 SW11 SW12 SW13 SW14 SW15 SW16 SW17 SW18 SW19 SW20 SW21 SW22 SW23 SW24 SW25 SW26...

Page 210: ... Rx Not used Maximum time allowed to receive one line of image data Not used Hooking detection time Not used Not used Not used Not used Not used Not used Not used Not used Not used Answering machine connection function signal detection time Not used Not used Not used Not used Numeric parameter settings Default 0 10 10 15 15 times 12 12 lines 4 4 sec 4 4 sec 0 0 6 5500 55 sec 3500 35 sec 0 1300 13 ...

Page 211: ... 1 REORDER TONE MULTI AUTO RX CNG DETECT RKEY PBX DIAL TONE PBX BUSY TONE NCU settings SW01 SW30 001 070 SPECIAL SW01 to SW30 Not used 001 to 070 Not used SW01 SW50 001 100 FAX SW01 to SW50 Not used 001 to 100 Not used SW01 SW50 001 350 SCAN SW01 to SW50 Not used 001 to 350 Not used ...

Page 212: ...T SW01 to SW50 Not used 001 to 050 Not used SW01 SW50 001 050 NETWORK SW01 to SW50 Not used 001 to 050 Not used SW01 SW50 001 050 CODEC SW01 to SW50 Not used 001 to 050 Not used SW01 SW50 001 100 SYSTEM SW01 to SW50 Not used 001 to 100 Not used ...

Page 213: ...00000000 00000000 00000000 00000000 00000000 SW09 00000000 00000000 00000000 00000000 00000000 00000000 SW10 00000000 00000000 00000000 00000000 00000000 00000000 SW11 00000000 00000000 00000000 00000000 00000000 00000000 REPORT Service report output DOWNLOAD Download CLEAR Data initialization mode settins TEST MODE Not used TEL USER DATA SERVICE DATA COUNTER TYPE ALL Dialing data and user data in...

Page 214: ...28 00000000 00000000 00000000 00000000 00000000 00000000 SW29 00000000 00000000 00000000 00000000 00000000 00000000 SW30 00000000 00000000 00000000 00000000 00000000 00000000 SW31 00000000 00000000 00000000 00000000 00000000 00000000 SW32 00100000 00100000 00100000 00100000 00100000 00100000 SW33 00000000 00000000 00000000 00000000 00000000 00000000 SW34 00000000 00000000 00000000 00000000 0000000...

Page 215: ...63 00000000 00000000 00000000 00000000 00000000 00000000 SW64 00000000 00000000 00000000 00000000 00000000 00000000 SW65 00000000 00000000 00000000 00000000 00000000 00000000 SW66 00000000 00000000 00000000 00000000 00000000 00000000 SW67 00000000 00000000 00000000 00000000 00000000 00000000 SW68 00000000 00000000 00000000 00000000 00000000 00000000 SW69 00000000 00000000 00000000 00000000 0000000...

Page 216: ...00 SW92 00000000 00000000 00000000 00000000 00000000 00000000 SW93 00000000 00000000 00000000 00000000 00000000 00000000 SW94 00000000 00000000 00000000 00000000 00000000 00000000 SW95 00000000 00000000 00000000 00000000 00000000 00000000 SW96 00000000 00000000 00000000 00000000 00000000 00000000 SW97 00000000 00000000 00000000 00000000 00000000 00000000 SW98 00000000 00000000 00000000 00000000 00...

Page 217: ...00000 00000000 00000000 00000000 00000000 00000000 SW16 00000011 00000011 00000011 00000011 00000011 00000011 SW17 00000000 00000000 00000000 00000000 00000000 00000000 SW18 00000000 00000000 00000000 00000000 00000000 00000000 SW19 00000000 00000000 00000000 00000000 00000000 00000000 SW20 00000000 00000000 00000000 00000000 00000000 00000000 SW21 00000000 00000000 00000000 00000000 00000000 0000...

Page 218: ...00000000 00000000 00000000 00000000 00000000 00000000 SW51 00000000 00000000 00000000 00000000 00000000 00000000 SW52 00000000 00000000 00000000 00000000 00000000 00000000 SW53 00000000 00000000 00000000 00000000 00000000 00000000 SW54 00000000 00000000 00000000 00000000 00000000 00000000 SW55 00000000 00000000 00000000 00000000 00000000 00000000 SW56 00000000 00000000 00000000 00000000 00000000 0...

Page 219: ...00000 00000000 00000000 SW84 00000000 00000000 00000000 00000000 00000000 00000000 SW85 00000000 00000000 00000000 00000000 00000000 00000000 SW86 00000000 00000000 00000000 00000000 00000000 00000000 SW87 00000000 00000000 00000000 00000000 00000000 00000000 SW88 00000000 00000000 00000000 00000000 00000000 00000000 SW89 00000000 00000000 00000000 00000000 00000000 00000000 SW90 00000000 00000000...

Page 220: ...00000 00000000 00000000 00000000 00000000 00000000 SW08 00000000 00000000 00000000 00000000 00000000 00000000 SW09 00000000 00000000 00000000 00000000 00000000 00000000 SW10 00000000 00000000 00000000 00000000 00000000 00000000 SW11 00000000 00000000 00000000 00000000 00000000 00000000 SW12 00000010 00000010 00000010 00000010 00000010 00000010 SW13 00000000 00000000 00000000 00000000 00000000 0000...

Page 221: ...0000 00000000 00000000 SW37 00000000 00000000 00000000 00000000 00000000 00000000 SW38 00000000 00000000 00000000 00000000 00000000 00000000 SW39 00000000 00000000 00000000 00000000 00000000 00000000 SW40 00000000 00000000 00000000 00000000 00000000 00000000 SW41 00000000 00000000 00000000 00000000 00000000 00000000 SW42 00000000 00000000 00000000 00000000 00000000 00000000 SW43 00000000 00000000 ...

Page 222: ...0000 00000000 00000000 SW71 00000000 00000000 00000000 00000000 00000000 00000000 SW72 00000000 00000000 00000000 00000000 00000000 00000000 SW73 00000000 00000000 00000000 00000000 00000000 00000000 SW74 00000000 00000000 00000000 00000000 00000000 00000000 SW75 00000000 00000000 00000000 00000000 00000000 00000000 SW76 00000000 00000000 00000000 00000000 00000000 00000000 SW77 00000000 00000000 ...

Page 223: ... 00000000 00000000 00000000 00000000 SW100 00000000 00000000 00000000 00000000 00000000 00000000 NUMERIC Param 02 10 10 10 10 10 10 03 15 15 15 15 15 15 04 12 12 12 12 12 12 10 5500 5500 5500 5500 5500 5500 11 3500 3500 3500 3500 3500 3500 13 1300 1300 1300 1300 1300 1300 15 120 120 120 120 120 120 25 60 60 60 60 60 60 TYPE HUNGARY SAF KOREA CHINA GERMAN FRANCE SSSW SW01 00010000 00010000 00010000...

Page 224: ...W24 00000000 00000000 00000000 00000000 00000000 00000000 SW25 00000001 00000000 00000000 00000000 00000101 00000000 SW26 00000000 00000000 00000000 00000000 00000000 00000000 SW27 00000000 00000000 00000000 00000000 00000000 00000000 SW28 00000000 00000000 00000000 00000000 00000000 00000000 SW29 00000000 00000000 00000000 00000000 00000000 00000000 SW30 00000000 00000000 00000000 00000000 000000...

Page 225: ...W59 00000000 00000000 00000000 00000000 00000000 00000000 SW60 00000000 00000000 00000000 00000000 00000000 00000000 SW61 00000000 00000000 00000000 00000000 00000000 00000000 SW62 00000000 00000000 00000000 00000000 00000000 00000000 SW63 00000000 00000000 00000000 00000000 00000000 00000000 SW64 00000000 00000000 00000000 00000000 00000000 00000000 SW65 00000000 00000000 00000000 00000000 000000...

Page 226: ...00000 SW90 00000000 00000000 00000000 00000000 00000000 00000000 SW91 00000000 00000000 00000000 00000000 00000000 00000000 SW92 00000000 00000000 00000000 00000000 00000000 00000000 SW93 00000000 00000000 00000000 00000000 00000000 00000000 SW94 00000000 00000000 00000000 00000000 00000000 00000000 SW95 00000000 00000000 00000000 00000000 00000000 00000000 SW96 00000000 00000000 00000000 00000000...

Page 227: ...00000 00000000 00000000 00000000 00000000 00000000 SW16 00000011 00000011 00000011 00000011 00000011 00000011 SW17 00000000 00000000 00000000 00000000 00000000 00000000 SW18 00000000 00000000 00000000 00000000 00000000 00000000 SW19 00000000 00000000 00000000 00000000 00000000 00000000 SW20 00000000 00000000 00000000 00000000 00000000 00000000 SW21 00000000 00000000 00000000 00000000 00000000 0000...

Page 228: ...00000000 00000000 00000000 00000000 00000000 00000000 SW51 00000000 00000000 00000000 00000000 00000000 00000000 SW52 00000000 00000000 00000000 00000000 00000000 00000000 SW53 00000000 00000000 00000000 00000000 00000000 00000000 SW54 00000000 00000000 00000000 00000000 00000000 00000000 SW55 00000000 00000000 00000000 00000000 00000000 00000000 SW56 00000000 00000000 00000000 00000000 00000000 0...

Page 229: ...00000 00000000 00000000 SW84 00000000 00000000 00000000 00000000 00000000 00000000 SW85 00000000 00000000 00000000 00000000 00000000 00000000 SW86 00000000 00000000 00000000 00000000 00000000 00000000 SW87 00000000 00000000 00000000 00000000 00000000 00000000 SW88 00000000 00000000 00000000 00000000 00000000 00000000 SW89 00000000 00000000 00000000 00000000 00000000 00000000 SW90 00000000 00000000...

Page 230: ...20 120 120 120 120 120 25 60 60 60 60 60 60 TYPE TAIWAN SSSW SW01 00000000 SW02 00000000 SW03 00000000 SW04 00000000 SW05 00000000 SW06 10001000 SW07 00000000 SW08 00000000 SW09 00000000 SW10 00000000 SW11 00000000 SW12 00000010 SW13 00000000 SW14 00000000 SW15 00000000 SW16 00000011 SW17 00000000 SW18 00000000 SW19 00000000 SW20 00000000 SW21 00000000 TYPE SINGAPORE CZECH SLOVENIA ASIA POLAND EUR...

Page 231: ...32 00100000 SW33 00000000 SW34 00000000 SW35 00000000 SW36 00000000 SW37 00000000 SW38 00000000 SW39 00000000 SW40 00000000 SW41 00000000 SW42 00000000 SW43 00000000 SW44 00000000 SW45 00000000 SW46 00000000 SW47 00000000 SW48 00000000 SW49 00000000 SW50 00000000 SW51 00000000 SW52 00000000 SW53 00000000 SW54 00000000 SW55 00000000 SW56 00000000 TYPE TAIWAN ...

Page 232: ...67 00000000 SW68 00000000 SW69 00000000 SW70 00000000 SW71 00000000 SW72 00000000 SW73 00000000 SW74 00000000 SW75 00000000 SW76 00000000 SW77 00000000 SW78 00000000 SW79 00000000 SW80 00000000 SW81 00000000 SW82 00000000 SW83 00000000 SW84 00000000 SW85 00000000 SW86 00000000 SW87 00000000 SW88 00000000 SW89 00000000 SW90 00000000 SW91 00000000 TYPE TAIWAN ...

Page 233: ...figure below shows which numbers are assigned to which bits Each bit has a value of either 0 or 1 F 5 7 SW92 00000000 SW93 00000000 SW94 00000000 SW95 00000000 SW96 00000000 SW97 00000000 SW98 00000000 SW99 00000000 SW100 00000000 NUMERIC Param 02 10 03 15 04 12 10 5500 11 3500 13 1300 15 120 25 60 TYPE TAIWAN SW01 0 0 0 0 0 0 0 0 B i t 7 B i t 6 B i t 5 B i t 4 B i t 3 B i t 2 B i t 1 B i t 0 ...

Page 234: ...anl and a reception error occurs set this bit to 1 If thw error still occurs set bit 1 of 1 SSSW SW18 to 1 Bit Function 1 0 0 Detection of carrier disconnection between the DCS signal and the TCF signal Yes No 1 Waiting time for carrier disconnection between the DCS signal and the TCF signal 600 msec 300 msec 2 Not used 3 Not used 4 Not used 5 Not used 6 Not used 7 Not used Service error code Not ...

Page 235: ...of significant signal for the transmission end and the period from transmission of DIS signal to detection of significant signal for the receiving end No 011 Set the T1 timer for the receiver wait time after DIS transmission starts until a significant signal is received If frequent errors occur during reception because of line connection conditions increase the value of this parameter No 013 Set t...

Page 236: ...F and back ON the power after checking ROM version 5 6 6 Test Mode TEST 5 6 6 1 Overview 5 6 6 1 1 Test Mode Overview 0006 5849 The following test modes are available from the menu on the display D RAM tests Writes data to DRAM image storage areas and reads that data to check operations Print test Printing a test pattern in the printing area Modem NCU tests The frequency test G3 signal transmissio...

Page 237: ...s to be reset leading to malfunction during communication Therefore be sure to turn OFF and back ON the power after the Test Mode is ended 1 DRAM TEST 2 SCAN TEST 3 PRINT TEST 4 MODEM TEST 5 AGING TEST 6 FUNCTION TEST 1 DRAM TEST 2 DRAM TEST 1 WHT 2 BLK 3 STRPS 4 CHKRS 5 CHKRS2 6 ENDUR 7 BK WHT 8 BIAS 9 CHKRS3 1 RELAY TEST 2 FREQ TEST 4 G3 SIGNAL Tx TEST 5 DTMF TEST 6 MODEM TEST 8 G3 V34 Tx TEST 1...

Page 238: ...ore D RAM test output all image data in image memory When D RAM test is performed all image data are cleared Error Restart by pressing Start button DRAM TEST 40960KB DRAM TEST 40960KB complete no error WRT 33CC RD 33EC ADR BF840201 DRAM TEST 40960KB complete error 40960KB D RAM total memory capacity bytes Indicates an address for which write testing is complete Indicates an address for which read ...

Page 239: ...Print Test menu to select 3 2 BLACK or press the numeric button 6 to select 3 6 ENDURANCE Do not use the other patterns They are for development and factory use Check for white stripes and unevenness on the Black pattern and check for image shrinkig stretching soiling and black strips on the Endurance pattern F 5 12 Memo After completion of the print test if the printing was normal copy a document...

Page 240: ...6 5858 The frequency test menu is selected by pressing the numeric button 2 from the MODEM test menu Signals of the frequencies below are sent from the modem using the modular jack and the speaker The frequency can be changed with the numeric buttons T 5 14 Modem test type Overview Frequency test The modem sends tonal signals from the modular jack and the speaker G3 signal transmission test The mo...

Page 241: ... MODEM test menu The G3 signals below are sent from the modem using the modular jack and the speaker The Speed can be changed with the numeric buttons T 5 15 Memo The transmission level for each frequency follows the service data Numeric button Speed 0 300 bps 1 2400 bps 2 4800 bps 3 7200 bps 4 9600 bps 5 TC7200 bps 6 TC9600 bps 7 12000 bps 8 14400 bps ...

Page 242: ...sing the Start button The Baud rate can be changed with the numeric buttons and the Speed can be changed with the cursor buttons T 5 16 T 5 17 Memo The transmission level for each baud rate and speed follows the service data Numeric button Baud rate 0 3429 baud 1 3200 baud 2 3000 baud 3 2800 baud 4 2743 baud 5 2400 baud Cursor button Speed 33 6 kbps 31 2 kbps 28 8 kbps 26 4 kbps 24 0 kbps 21 6 kbp...

Page 243: ... These tests test the following faculties of this fax T 5 18 Test type Overview Sensor tests Test whether the sensors are operating correctly Operation panel test Tests whether the button switches on the control panel are operating correctly Line signal reception test Tests whether the NCU board signal sensor and frequency counter are operating correctly ...

Page 244: ...ES Document edge sensor on of DOC Home position sensor on of JAM Paper delivery jam detection on of TN Toner sensor on of and toner amount JAM000 JAM code display 010 Pickup delay jam 020 Pickup stationary jam 030 Delivery delay jam 040 Delivery stationary jam 050 Wrap jam Initial jam 060 Cover open jam CRG Cartridge sensor on of FCV Front cover switch on of ALS Cassette recording paper sensor Man...

Page 245: ...not blink during the test However the Energy Saver key does not go on at this time Operation Key Test The operation key test is selected with the Start key after the LED lamp test is done In this test a character disappears when its operation key is pressed The list of characters and their operation keys is as follows Check to make sure at this time that all characters properly disappear when thei...

Page 246: ...h keys are pressed F 5 14 6 3 OPERATION PANEL HHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHH The LED lamps other than the Energy Saver key go on When the entire display has gone out When the entire display has gone out When a key is pressed the corresponding character goes out When a one touch speed dialing key is pressed the corresponding letter goes out 123456789 0 ABCDEDFG HIJKLMNOPQ 123456789 0 yyy...

Page 247: ...ing the 1 key from the Line Detect menu When CI is detected from the modular jack the display changes from OFF to ON and the received frequency is displayed The on hook off hook state of the handset and the external telephone is also displayed Test Menu 2 Test Menu 2 is selected by pressing the 2 key from the Line Detect menu When CNG is detected from the modular jack the display changes from OFF ...

Page 248: ...Chapter 5 5 54 ...

Page 249: ...Chapter 6 APPENDIX ...

Page 250: ......

Page 251: ...Contents Contents 6 1 Outline of Electrical Components 6 1 6 1 1 Sensor 6 1 6 1 1 1 Arrangement of Sensors and Switches 6 1 6 1 2 PCBs 6 2 6 1 2 1 Arrangement of PCBs 6 2 ...

Page 252: ......

Page 253: ...sor Used to detect the presence absence of paper in the cassette 4 Manual Feed Paper Sensor Used to detect the presence absence of paper in the manual feed section 5 Paper Leading Edge Sensor top sensor Used to detect the leading trailing edge of paper being moved 6 Paper Delivery Sensor Used to monitor the delivery of paper 7 Paper Full Sensor Used to detect the full loading of the paper 8 Front ...

Page 254: ...8934 F 6 2 1 SCNT Board Used to control the whole of the system 2 NCU Board MF5650 only Used to control the communication 3 Modular Board MF5650 only Used to interface to the telephone line 4 DCNT Board Used to control the operation of the printer unit 5 Power Supply Board Used to control the supply of power to various components 6 High Voltage Power Supply Board Used to supply high voltage power ...

Page 255: ...Jun 17 2004 ...

Page 256: ......

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