Chapter 4 Maintenance And Inspection - Canon LaserBase MF3110 Service Manual

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3.1.9 Power Supply PCB....................................................................................................................................3 10
3.1.10 High voitage Power Supply PCB............................................................................................................3 12
3.1.11 Top Sensor...............................................................................................................................................3 14
3.1.12 Paper Delivery Sensor .............................................................................................................................3 17
3.2 Document Feed/Exposure System ...................................................................................................................3 21
3.2.1 Scanner Unit ..............................................................................................................................................3 21
3.2.2 Scanner Cover Unit ...................................................................................................................................3 22
3.2.3 CCD Unit...................................................................................................................................................3 25
3.2.4 Flatbed Motor Unit....................................................................................................................................3 28
3.3 LASER EXPOSURE SYSTEM ......................................................................................................................3 31
3.3.1 Laser/Scanner Unit ....................................................................................................................................3 31
3.4 IMAGE FORMATION SYSTEM...................................................................................................................3 34
3.4.1 Transfer Charging Roller ..........................................................................................................................3 34
3.5 PICKUP AND FEEDING SYSTEM...............................................................................................................3 35
3.5.1 Cassette Pickup Roller ..............................................................................................................................3 35
3.5.2 Cassette Pickup Solenoid ..........................................................................................................................3 39
3.5.3 Cassette Separation Pad ............................................................................................................................ 3 42
3.5.4 Paper Feed Roller ......................................................................................................................................3 43
3.5.5 Manual Pickup Solenoid ...........................................................................................................................3 48
3.5.6 Main Motor ...............................................................................................................................................3 51
3.5.7 Gear Unit ...................................................................................................................................................3 55
3.6 FIXING SYSTEM ...........................................................................................................................................3 56

Chapter 4 MAINTENANCE AND INSPECTION

4.1 Periodically Replaced Parts ............................................................................................................................... 4 1
4.1.1Parts Requiring Periodical Replacement ..................................................................................................... 4 1
4.2 Consumables...................................................................................................................................................... 4 2
4.2.1Consumable ................................................................................................................................................. 4 2
4.3 Periodical Service .............................................................................................................................................. 4 3
4.3.1Items Requiring Scheduled Servicing ......................................................................................................... 4 3
4.4 Cleaning............................................................................................................................................................. 4 4
4.4.1Items Requiring Cleaning ............................................................................................................................ 4 4
4.4.2Cleaning Method (external covers) ............................................................................................................. 4 5
4.4.3Cleaning Method (scanning unit) ................................................................................................................ 4 5
4.4.4Cleaning Method (printer unit) .................................................................................................................... 4 6
4.5 Lubrications ....................................................................................................................................................... 4 8
4.5.1Areas Requiring Application of Grease....................................................................................................... 4 8
4.5.2Delivery Idler Gear ...................................................................................................................................... 4 9
4.5.3Fixing Drive Transmission Gear ...............................................................................................................4 10
4.5.4Large Gear Bushing R ...............................................................................................................................4 10
4.5.5Large Gear .................................................................................................................................................4 11
4.5.6Feed Gear...................................................................................................................................................4 11
4.5.7Internal Gear ..............................................................................................................................................4 12
4.5.8Large Gear Deceleration Gear/Plate R ......................................................................................................4 12
4.5.9Main Motor ................................................................................................................................................4 13
4.5.10Drive Releasing Arm ...............................................................................................................................4 14
4.5.11FU Delivery Roller ..................................................................................................................................4 14
4.5.12Pickup Idler Gear .....................................................................................................................................4 15
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