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3.28 Paper Feeder ................................................................................................................. 4-72
3.29 Frame L / Drive Unit....................................................................................................... 7-79
3.31 Thermistor ASSY ........................................................................................................... 4-84
3.32 Fan Motor 60 Unit LV / Fan Motor 60 Unit..................................................................... 4-84
3.33 Frame R ......................................................................................................................... 4-85
4.
PACKING ................................................................................................................4-87
5.
GUIDELINES FOR LEAD FREE SOLDER..............................................................4-88
6.
SCREW TORQUE LIST ..........................................................................................4-91
7.
LUBRICATION ........................................................................................................4-93
8.
HARNESS ROUTING..............................................................................................4-98
CHAPTER 5 PERIODIC MAINTENANCE............................................... 5-1
1.
CONSUMABLE PARTS.............................................................................................5-1
1.1
Drum Unit ......................................................................................................................... 5-1
1.2
Toner Cartridge ................................................................................................................ 5-3
2.
PERIODICAL REPLACEMENT PARTS ....................................................................5-9
2.1 Fixing Unit....................................................................................................................... 5-10
2.2 Paper Feeding Kit........................................................................................................... 5-18
3.
PERIODICAL CLEANING........................................................................................5-22
3.1
Cleaning the Machine Exterior....................................................................................... 5-22
3.2
Cleaning the Scanner .................................................................................................... 5-22
3.3
Cleaning the Printer ....................................................................................................... 5-23
3.4
Cleaning the Drum Unit.................................................................................................. 5-24
3.5
Cleaning the Scanner Window ...................................................................................... 5-24
3.6
Cleaning the Electrical Terminals .................................................................................. 5-25
4.
MTBF / MTTR ..........................................................................................................5-26
CHAPTER 6 TROUBLESHOOTING ....................................................... 6-1
1.
INTRODUCTION .......................................................................................................6-1
1.1
Initial Check...................................................................................................................... 6-1
1.2
Warnings for Maintenance Work ..................................................................................... 6-2
1.3
Identify the Problem ......................................................................................................... 6-3
2.
ERROR MESSAGE ...................................................................................................6-4
2.1
Error Message on the LCD .............................................................................................. 6-4
2.2
Error Codes Shown in the "MACHINE ERROR X X" message....................................... 6-7
3.
PAPER PROBLEMS................................................................................................6-11
3.1
Paper Loading Problems ............................................................................................... 6-11
3.2
Original Jams ................................................................................................................. 6-12
3.2.1 Original is jammed in the top of the ADF unit .................................................................... 6-12
3.2.2 Original is jammed inside the ADF unit ............................................................................. 6-12
3.3
Paper Jams .................................................................................................................... 6-13
3.3.1 Clearing jammed paper ..................................................................................................... 6-13
3.3.3 Causes & countermeasures .............................................................................................. 6-17
MFC-8440/8840D/8840DN, DCP-8040/8045D/8045DN
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SERVICE MANUAL

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