HP LaserJet M3027 - Page 8

ADF cover ........................................................................................................ 100
ADF input tray .................................................................................................. 102
Control panel .................................................................................................... 104
ADF .................................................................................................................. 107
Scanner assembly ............................................................................................................ 110
Covers ............................................................................................................................................... 114
Right-side cover ................................................................................................................ 114
Formatter shield ................................................................................................................ 115
Fax cover .......................................................................................................................... 116
Left-side cover .................................................................................................................. 117
Back cover ........................................................................................................................ 120
I/O cover ........................................................................................................................... 122
Fax rail .............................................................................................................................. 123
Top cover .......................................................................................................................... 124
Front, right cover ............................................................................................................... 128
Fax accessory .................................................................................................................................... 130
Disk drive ........................................................................................................................................... 132
Formatter ........................................................................................................................................... 135
Stapler ............................................................................................................................................... 136
Stapler power-supply ......................................................................................................................... 140
Right-side fan ..................................................................................................................................... 145
Engine control unit (ECU) .................................................................................................................. 148
Left-side riser ..................................................................................................................................... 155
Fuser .................................................................................................................................................. 156
Laser/scanner .................................................................................................................................... 159
Access plate ..................................................................................................................
.................... 161
Oblique-roller assembly ..................................................................................................................... 163
Left-side fan ....................................................................................................................................... 165
High-voltage power supply (HVPS) ................................................................................................... 166
Feed-guide assembly ........................................................................................................................ 173
Main motor ......................................................................................................................................... 176
Gear assembly ................................................................................................................................... 179
Reinstallation notes for the gear assembly ....................................................................................... 182
Tray 1 solenoid .................................................................................................................................. 183
Tray 2 solenoid .................................................................................................................................. 184
Pickup assembly ................................................................................................................................ 185
Tray 1 media-present sensor and top-of-page sensor ...................................................................... 190
E-label reader (memory tag) ............................................................................................................. 192
Face-down-roller shaft ....................................................................................................................... 194
Cartridge door .................................................................................................................................... 196
Transfer roller .................................................................................................................................... 199
Registration assembly ....................................................................................................................... 200
Tray 1 pickup roller ............................................................................................................................ 203
Tray 2 pickup roller ............................................................................................................................ 204
Separation pad .................................................................................................................................. 206
6 Troubleshooting
Chapter contents ............................................................................................................................... 207
Troubleshooting process ................................................................................................................... 208
Troubleshooting tree ......................................................................................................... 208
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