Service manual
Contents
3.7.6 Fixing Motor .........................................................................................................................................................3- 165
3.7.6.1 Removing the Rear Cover ................................................................................................................................................... 3- 165
3.7.6.2 Removing the Reader Assembly ......................................................................................................................................... 3- 166
3.7.6.3 Removing the Right Cover................................................................................................................................................... 3- 167
3.7.6.4 Removing the Left Cover ..................................................................................................................................................... 3- 167
3.7.6.5 Removing the Power Supply Assembly ............................................................................................................................... 3- 167
3.7.6.6 Removing the Face-Down Cover......................................................................................................................................... 3- 167
3.7.6.7 Removing the Top Cover ..................................................................................................................................................... 3- 167
3.7.6.8 Removing the Right Frame .................................................................................................................................................. 3- 169
3.7.6.9 Removing the Shield Plate................................................................................................................................................... 3- 169
3.7.6.10 Removing the Fixing Motor ................................................................................................................................................ 3- 169
Chapter 4 MAINTENANCE AND INSPECTION
4.1 User Maintenance ...................................................................................................................................... 4- 1
4.1.1 Cleaning the Scanning Area ....................................................................................................................................4- 1
4.1.2 Cleaning the ADF Area............................................................................................................................................4- 1
4.1.3 Toner Cartridge........................................................................................................................................................4- 1
4.1.4 Drum Cartridge ........................................................................................................................................................4- 1
4.1.5 Mylar Sheet..............................................................................................................................................................4- 1
4.1.6 Pressure Roller (fixing assembly) ............................................................................................................................4- 1
4.1.7 Density Sensor/ITB Home Position Sensor .............................................................................................................4- 2
4.2 Periodically Replaced Parts ....................................................................................................................... 4- 2
4.2.1 Periodic Replacement Parts ....................................................................................................................................4- 2
4.3 Consumables ............................................................................................................................................. 4- 2
4.3.1 Expected Service Life of Consumable Parts............................................................................................................4- 2
4.4 Periodical Service....................................................................................................................................... 4- 3
4.4.1 Periodic Service.......................................................................................................................................................4- 3
Chapter 5 TROUBLESHOOTING
5.1 Measurement and Adjustment ................................................................................................................... 5- 1
5.1.1 Initial Checkup .........................................................................................................................................................5- 1
5.1.1.1 Initial Check ............................................................................................................................................................................. 5- 1
5.1.2 Test Printing.............................................................................................................................................................5- 1
5.1.2.1 Test Print.................................................................................................................................................................................. 5- 1
5.1.3 Electrical Adjustment ...............................................................................................................................................5- 1
5.1.3.1 Work After Replacing the Laser/Scanner Unit ........................................................................................................................ 5- 1
5.1.3.2 When Replacing the SCNT Board ........................................................................................................................................... 5- 2
5.1.4 Fixing System ..........................................................................................................................................................5- 2
5.1.4.1 Checking the Nip Width of the Lower Fixing Roller.................................................................................................................. 5- 2
5.2 Service Tools.............................................................................................................................................. 5- 2
5.2.1 Standard Tools.........................................................................................................................................................5- 2
5.2.2 Special Tools ...........................................................................................................................................................5- 3
5.2.3 Solvent/Oil List.........................................................................................................................................................5- 3
5.3 Location of Convectors............................................................................................................................... 5- 3
5.3.1 Location of Convectors ............................................................................................................................................5- 3
5.4 Error Code.................................................................................................................................................. 5- 5
5.4.1 Outline......................................................................................................................................................................5- 5
5.4.1.1 Error Code Outline ................................................................................................................................................................... 5- 5
5.4.1.2 Service Error Code .................................................................................................................................................................. 5- 5
5.5 Service Mode ............................................................................................................................................. 5- 6
5.5.1 Outline......................................................................................................................................................................5- 6
5.5.1.1 Hardware Switches .................................................................................................................................................................. 5- 6
5.5.1.2 Service Data Setting ................................................................................................................................................................ 5- 6
5.5.1.3 Service Data Entry Method ...................................................................................................................................................... 5- 7
5.5.2 Service Soft Switch Settings (SSSW)......................................................................................................................5- 7
5.5.2.1 Outline...................................................................................................................................................................................... 5- 7