ii
2.2.2 Paper Registration ........................................................................................................ II-18
2.2.3 Paper Eject ................................................................................................................... II-19
2.3 Sensors ....................................................................................................................................... II-20
2.3.1 Cover Sensor................................................................................................................ II-20
2.3.2 Toner Empty Sensor..................................................................................................... II-20
2.4 Drum Unit .................................................................................................................................... II-21
2.4.1 Photosensitive Drum..................................................................................................... II-21
2.4.2 Primary Charger ........................................................................................................... II-21
2.4.3 Developer Roller ........................................................................................................... II-21
2.4.4 Transfer Roller .............................................................................................................. II-21
2.4.5 Cleaner Roller............................................................................................................... II-21
2.4.6 Erase Lamp .................................................................................................................. II-21
2.5 Print Process............................................................................................................................... II-21
2.5.1 Charging ....................................................................................................................... II-21
2.5.2 Exposure Stage ............................................................................................................ II-22
2.5.3 Developing.................................................................................................................... II-23
2.5.4 Transfer ........................................................................................................................ II-23
2.5.5 Drum Cleaning Stage ................................................................................................... II-24
2.5.6 Erasing Stage ............................................................................................................... II-24
2.5.7 Fixing Stage.................................................................................................................. II-24
CHAPTER III DISASSEMBLY AND REASSEMBLY ...................................... III-1
1. SAFETY PRECAUTIONS.................................................................................................. III-1
2. DISASSEMBLY FLOW...................................................................................................... III-2
3. DISASSEMBLY PROCEDURE ......................................................................................... III-3
3.1 Drum Unit ..................................................................................................................................... III-3
3.2 Output Tray ASSY ....................................................................................................................... III-3
3.3 Top Cover .................................................................................................................................... III-4
3.4 MP Sheet Feeder 1 ASSY ........................................................................................................... III-4
3.5 MP Sheet Feeder 2 ASSY ........................................................................................................... III-7
3.6 Under Shoot ASSY ...................................................................................................................... III-7
3.7 SR PCB / Relay PCB ................................................................................................................... III-9
3.8 Fixing Unit .................................................................................................................................. III-10
3.9 Scanner Unit .............................................................................................................................. III-12
3.10 Main PCB ASSY ...................................................................................................................... III-14
3.11 Base Plate ASSY ..................................................................................................................... III-15
3.12 Driver PCB ASSY .................................................................................................................... III-16
3.13 Low-voltage Power Supply PCB ASSY ................................................................................... III-17
3.14 High-voltage Power Supply PCB ASSY................................................................................... III-18
3.15 Fan Motor ASSY ...................................................................................................................... III-18
3.16 Drive Unit ................................................................................................................................. III-19
3.17 Main Motor ASSY..................................................................................................................... III-20
3.18 Gears and Solenoid ................................................................................................................. III-21
3.19 Paper Support .......................................................................................................................... III-23
3.20 Extension Support Wire ........................................................................................................... III-23
Содержание HL-1070 - B/W Laser Printer
Страница 1: ......
Страница 20: ...II 4 Fig 2 4 ...
Страница 24: ...II 8 1 3 5 DRAM Four 16Mbit DRAM x 16bit are used as the printer memory Fig 2 7 ...
Страница 28: ...II 12 1 3 11 Engine I O Fig 2 14 and 2 15 show the engine interface circuit Fig 2 13 ...
Страница 29: ...II 13 Fig 2 14 ...
Страница 64: ...III 24 4 PACKING Fig 3 39 Documents Accessories Carton Pad Pad PE sheet Bag Pad Pad Carton ...
Страница 84: ...IV 20 3 4 Location of Feed Roller Shaft and Grounding Contacts Fig 4 7 Feed shaft roller For feed roller ...
Страница 96: ...CODE UK3958 000 B48K302 1CIR NAME A 3 Appendix 3 Main PCB Circuit Diagram 1 5 ...
Страница 97: ...CODE UK3958 000 B48K302 1CIR NAME A 4 Appendix 4 Main PCB Circuit Diagram 2 5 ...
Страница 98: ...CODE UK3958 000 B48K302 1CIR NAME A 5 Appendix 5 Main PCB Circuit Diagram 3 5 ...
Страница 99: ...CODE UK3958 000 B48K302 1CIR NAME A 6 Appendix 6 Main PCB Circuit Diagram 4 5 ...
Страница 100: ...Appendix 7 Main PCB Circuit Diagram 5 5 CODE UK3958 000 B48K302 1CIR NAME A 7 ...
Страница 101: ...Appendix 8 Driver PCB Circuit Diagram CODE UK3634000 B48K280CIR NAME A 8 ...
Страница 102: ...Appendix 9 Switch Panel Solenoid Bin Relay PCB Circuit Diagram CODE UK3635000 281 282 283 CIR NAME A 9 ...
Страница 106: ...Appendix 13 SR PCB Circuit Diagram CODE UK3653000 B48K284CIR NAME A 13 ...
Страница 107: ...Apr 98 54U011BE0 PARTS REFERENCE LIST MODEL HL 1070 R LASER PRINTER ...
Страница 120: ...1 3 2 1 MODEL HL 1070 54U S03 151 8 DRIVER PCB MODEL HL 1070 54U S03 200 201 9 POWER SUPPLY PCB 11 ...
Страница 241: ...APPENDIX A 11 HP LaserJet 6P EPSON FX 850 IBM Proprinter XL EPSON FX 850 PC 850 ...