Brother HL-7050 Series Manuale di servizio - Pagina 6
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3.9
Back Cover ASSY .......................................................................................................... 4-26
3.10 Fixing Unit ...................................................................................................................... 4-28
3.11 Paper Eject..................................................................................................................... 4-37
3.12 Laser Unit....................................................................................................................... 4-40
3.13 Front Cover 1 / Front Cover 2 ....................................................................................... 4-41
3.14 MP Tray Unit .................................................................................................................. 4-43
3.15 Fan Motor 80.................................................................................................................. 4-48
3.16 Main Motor ASSY........................................................................................................... 4-50
3.17 Feeding Motor ASSY A/B............................................................................................... 4-51
3.18 Drive Unit ....................................................................................................................... 4-52
3.19 Electromagnetic Clutch Regist ....................................................................................... 4-55
3.20 Main PCB ....................................................................................................................... 4-56
3.21 Engine PCB.................................................................................................................... 4-57
3.22 Base Plate ...................................................................................................................... 4-57
3.23 Low-voltage Power Supply PCB ASSY / High-voltage Power Supply PCB ASSY ........ 4-58
3.24 Front Guide ASSY.......................................................................................................... 4-60
3.25 Transfer Base ASSY ...................................................................................................... 4-61
3.26 Paper Feed .................................................................................................................... 4-67
3.27 Size SW PCB ................................................................................................................. 4-75
3.28 Fan Motor 60.................................................................................................................. 4-77
3.29 Ejection Gear Unit .......................................................................................................... 4-78
4.
LUBRICATION ......................................................................................................4-79
5.
PACKING ..............................................................................................................4-84
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...................................................................5-6
3.
PERIODICAL CLEANING........................................................................................5-7
3.1
Cleaning the Printer Exterior ............................................................................................ 5-7
3.2
Cleaning the Printer Interior ............................................................................................. 5-8
4.
MTBF / MTTR..........................................................................................................5-9
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.
OPERATOR CALLS & SERVICE CALLS ................................................................6-4
2.1
Operator Call Messages .................................................................................................. 6-4
2.2
Service Call Messages..................................................................................................... 6-7
3.
PAPER PROBLEMS..............................................................................................6-11
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HL-24 0 SERVICE MANUAL