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（免费）惠普HP Laserjet M712/M700/M710拆机和备件手册英文版

1 Removal and replacement ................................................................................................ 1
Removal and replacement strategy ............................................................................................. 2
Introduction .............................................................................................................. 2
Required tools ........................................................................................................... 3
Types of screws ........................................................................................................ 3
Service approach ...................................................................................................... 3
Before performing service .......................................................................................... 4
After performing service ............................................................................................. 4
Parts removal order ................................................................................................... 4
Pickup rollers ........................................................................................................................... 5
Tray 1 (multipurpose tray) pickup roller ........................................................................ 5
Tray 2 and Tray 3 pickup rollers ................................................................................. 6
Tray 4, Tray 5, and Tray 6 pickup and feed rollers ....................................................... 7
Separation pads and rollers ...................................................................................................... 8
Tray 1 separation pad assembly ................................................................................. 8
Tray 2 and Tray 3 separation rollers ............................................................................ 9
Tray 4, 5, and 6 separation rollers .............................................................................. 9
Covers and doors .................................................................................................................. 11
Front cover ............................................................................................................. 11
Right rear cover ...................................................................................................... 12
Left door ................................................................................................................ 12
Rear cover ............................................................................................................. 13
Front left lower cover ............................................................................................... 14
Front right lower cover ............................................................................................. 15
Face-down cover ..................................................................................................... 16
Tray 1 (multipurpose tray) cover ................................................................................ 17
Right door .............................................................................................................. 18
Top cover ............................................................................................................... 19
Left handle cover ..................................................................................................... 20
Left inner lower cover .............................................................................................. 20
Left inner rear cover ................................................................................................. 21
Left inner front cover ................................................................................................ 22
Right handle cover .................................................................................................. 24
Face-down side cover .............................................................................................. 24
Top rear cover ........................................................................................................ 25
Left upper cover ...................................................................................................... 26
Left inner upper cover .............................................................................................. 27
Face-down upper cover ............................................................................................ 28
Main assemblies .................................................................................................................... 30
Duplexer or duplex cover ......................................................................................... 31
Fuser ..................................................................................................................... 32
Control panel assembly ........................................................................................... 33
Paper delivery assembly .......................................................................................... 34
Registration assembly .............................................................................................. 37
Transfer roller ......................................................................................................... 40
Paper feed assembly ............................................................................................... 40
Laser scanner ......................................................................................................... 45
Toner cartridge door ............................................................................................... 47
Formatter cage assembly .......................................................................................... 52
Upper cassette pickup assembly ................................................................................ 53
Lower cassette pickup assembly ................................................................................ 56
Lifter drive assembly ................................................................................................ 58
Main drive assembly ............................................................................................... 60
Fuser drive assembly ............................................................................................... 64
Switches ............................................................................................................................... 67
Power switch assembly ............................................................................................ 68
Left door interlock switch .......................................................................................... 68
Cartridge door interlock switch ................................................................................. 71
Cartridge door open detection switch ........................................................................ 73
Upper cassette media end switch .............................................................................. 75
Lower cassette media end switch ............................................................................... 76
Sensors ................................................................................................................................. 78
Environment sensor .................................................................................................. 79
Cartridge presence sensor ........................................................................................ 79
Right door sensor .................................................................................................... 80
Motors, fans, and clutches ....................................................................................................... 83
Fuser motor ............................................................................................................ 85
Rear fan ................................................................................................................. 85
Front fan ................................................................................................................ 87
Fuser fan ................................................................................................................ 89
Upper cassette pickup clutch ..................................................................................... 90
Lower cassette pickup clutch ..................................................................................... 91
Printed circuit-board assemblies (PCAs) ..................................................................................... 93
vi ENWW
Formatter PCA ........................................................................................................ 93
High-voltage power supply ....................................................................................... 94
DC controller PCA ................................................................................................... 96
Low-voltage power supply assembly .......................................................................... 97
USB PCA ............................................................................................................... 98
Miscellaneous parts .............................................................................................................. 100
Hard drive ........................................................................................................... 100
Trays .................................................................................................................................. 101
1x500-sheet paper feeder assembly ........................................................................ 101
1x500 rear cover ................................................................................... 101
1x500 left cover .................................................................................... 102
1x500 right-front cover ........................................................................... 104
1x500 front-upper cover ......................................................................... 105
1x500 right door ................................................................................... 106
1x500 right-lower cover .......................................................................... 108
1x500 pickup assembly .......................................................................... 109
1x500 lifter-drive assembly ..................................................................... 112
1x500 pickup motor ............................................................................... 113
1x500 driver PCA .................................................................................. 114
1x500 or 3x500-sheet paper deck (optional accessory) ............................................ 115
Paper deck right-door assembly ............................................................... 115
Paper deck left cover .............................................................................. 117
Paper deck pickup motor ........................................................................ 118
Paper deck front-lower cover ................................................................... 119
Paper deck right-corner cover .................................................................. 120
Paper deck front-upper cover ................................................................... 121
Paper deck right-lower cover 1 ................................................................ 122
Paper deck right-lower cover 2 ................................................................ 123
Paper deck left-lower cover ...................................................................... 124
Paper deck rear cover ............................................................................ 124
Paper deck rear-lower cover .................................................................... 125
Paper deck paper deck controller PCAs .................................................... 126
Paper deck lifter-drive assembly ............................................................... 127
Paper deck right and left cassette rails ...................................................... 128
Paper deck paper deck pickup assembly ................................................... 129
Input devices ....................................................................................................................... 131
High capacity input (HCI) feeder ............................................................................. 131
HCI right tray ......................................................................................... 131
HCI left tray ........................................................................................... 131
HCI left cover ........................................................................................ 132
HCI left lower cover ................................................................................ 133
ENWW vii
HCI rear cover ....................................................................................... 134
HCI right door ....................................................................................... 135
HCI right front cover ............................................................................... 135
HCI right center cover and right rear cover ................................................ 136
HCI right lower cover ............................................................................. 137
HCI rear lower cover .............................................................................. 138
HCI left tray lifter drive ............................................................................ 139
HCI right tray lifter drive ......................................................................... 140
HCI left tray pickup drive ........................................................................ 140
HCI right tray pickup drive ...................................................................... 141
HCI controller PCA ................................................................................. 142
HCI left tray automatic close assembly ...................................................... 143
HCI right tray automatic close assembly .................................................... 144
HCI left tray pickup assembly ................................................................... 145
HCI right tray pickup assembly ................................................................ 147
HCI merge assembly .............................................................................. 148
2 Parts and diagrams ...................................................................................................... 151
Order parts by authorized service providers ............................................................................ 152
Customer self repair orderable parts ........................................................................ 152
Supplies part numbers ........................................................................................... 154
Accessories part numbers ....................................................................................... 154
Related documentation and software ....................................................................... 155
Assembly locations ............................................................................................................... 156
Base product (no optional trays or accessories) ......................................................... 156
Optional 500-sheet paper feeder (accessory) ........................................................... 157
Optional 1x500-sheet paper deck (accessory) .......................................................... 158
Optional 3x500-sheet paper deck (accessory) .......................................................... 159
High capacity input (HCI) paper deck ...................................................................... 160
Duplexer .............................................................................................................. 161
Print engine ......................................................................................................................... 162
External covers and panels ..................................................................................... 162
Internal components (1 of 4) ................................................................................... 164
Internal components (2 of 4) ................................................................................... 166
Internal components (3 of 4) ................................................................................... 168
Internal components (4 of 4) ................................................................................... 170
500-sheet paper feeder (Tray 4) ............................................................................................ 172
500-sheet paper feeder (Tray 4) covers .................................................................... 172
500-sheet paper feeder (Tray 4) components ............................................................ 174
1x500 and 3x500 paper deck .............................................................................................. 176
1x500 and 3x500 paper deck covers ..................................................................... 176
viii ENWW
1x500 paper deck components .............................................................................. 178
3x500 paper deck components .............................................................................. 180
High capacity input (HCI) feeder ............................................................................................ 182
HCI covers ........................................................................................................... 182
HCI components (1 of 2) ........................................................................................ 184
HCI components (2 of 2) ........................................................................................ 186
Fasteners used in this product ................................................................................................ 188
Alphabetical parts list ........................................................................................................... 189
Numerical parts list .............................................................................................................. 198
Index ............................................................................................................................... 207