Brother HL-2700CN Series, Service Manual

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CHAPTER VII DISASSEMBLY...................................................... VII-1
1. REPLACEMENT PROCEDURE OF MAINTENANCE PARTS..................... VII-1
2. PARTS NAME............................................................................................... VII-4
2.1 Cover.................................................................................................................................VII-4
2.2 Arrangement Boards .........................................................................................................VII-5
2.3 Motor Units ........................................................................................................................VII-5
2.4 Clutches and Solenoids ....................................................................................................VII-6
2.5 Sensors .............................................................................................................................VII-6
3. DISASSEMBLY FLOW ................................................................................ VII-7
4. DISASSEMBLY PROCEDURE.................................................................. VII-11
4.1 OPC Charge Roller PU.....................................................................................................VII-11
4.2 Paper Tray ........................................................................................................................VII-11
4.3 Fuser Unit .........................................................................................................................VII-12
4.4 Cleaning Roller Cover PU / Cleaning Roller PU.............................................................VII-116
4.5 Top Cover Assy PU / Top Cover PU ................................................................................VII-17
4.6 Right Side Cover PU.........................................................................................................VII-18
4.7 Main PCB..........................................................................................................................VII-18
4.8 Left Side Cover PU / Duplex Connector Cover ................................................................VII-19
4.9 Interlock Switch PU (Front)...............................................................................................VII-19
4.10 I/O Board Cover PU / I/O Board PU ...............................................................................VII-20
4.11 Power Supply Fan PU / Interlock Switch PU (Top, Paper Exit) /
Power Supply Fan Duct PU............................................................................................VII-21
4.12 Waste Toner Auger PU...................................................................................................VII-22
4.13 Waste Toner Agitator PU................................................................................................VII-22
4.14 Erase Lamp PU ..............................................................................................................VII-23
4.15 Marker Sensor ................................................................................................................VII-24
4.16 Toner Density Sensor PU...............................................................................................VII-24
4.17 Cleaning Roller Clutch PU..............................................................................................VII-25
4.18 Main Motor PU................................................................................................................VII-25
4.19 Fuser Clutch PU .............................................................................................................VII-26
4.20 TR Cam Clutch ...............................................................................................................VII-27
4.21 Registration Clutch PU ...................................................................................................VII-27
4.22 Paper Feed Clutch PU....................................................................................................VII-28
4.23 Developer Motor PU .......................................................................................................VII-28
4.24 Waste Toner Holder Assy PU.........................................................................................VII-29
4.25 Developer Clutch PU (DCLY/DCLM/DCLC/DCLK) ........................................................VII-29
4.26 Developer Gear PU / Developer Drive Assy PU ............................................................VII-30
4.27 OPC Drive Gear Assy PU...............................................................................................VII-30
4.28 Main Drive Gear Assy PU...............................................................................................VII-31
4.29 Waste Toner Feeder PU.................................................................................................VII-32
4.30 Toner Sensor PU (TPD) .................................................................................................VII-33
4.31 Right Toner Guide PU ....................................................................................................VII-34
4.32 Laser Assy PU / Laser Unit Fan Assy PU ......................................................................VII-34
4.33 Inner Front Cover PU / Front Cover PU .........................................................................VII-36