HP LASERJET ENTERPRISE CP4020 - More Component Removal and Support; Lifter and Pickup Assemblies; Laser;Scanner Assembly Replacement; High-Voltage Power Supply Upper

Lifter-drive assembly ........................................................................................................ 173
Remove the lifter-drive assembly .................................................................... 173
Lifter base assembly ........................................................................................................ 175
Remove the lifter base assembly .................................................................... 175
Reinstall the lifter base assembly .................................................................... 176
Tray-pickup drive assembly ............................................................................................. 178
Remove the tray-pickup drive assembly ......................................................... 178
Tray-pickup assembly ...................................................................................................... 180
Remove the tray-pickup assembly .................................................................. 180
Laser/scanner assembly (Y/M) ........................................................................................ 186
Remove the laser/scanner assembly (Y/M) .................................................... 187
Laser/scanner assembly (C/Bk) ....................................................................................... 190
Remove the laser/scanner assembly (C/Bk) ................................................... 191
Reinstall the protective glass cleaner (PGC) actuators .................. 193
High-voltage power supply upper (HVPS-T) .................................................................... 196
Remove the high-voltage power supply upper ................................................ 196
Reinstall the high-voltage power supply upper ............................... 198
Yellow, magenta, cyan, and black drum motors .............................................................. 199
Remove the yellow, magenta, cyan, and black drum motors .......................... 199
Fuser motor ..................................................................................................................... 200
Remove the fuser motor .................................................................................. 201
ITB motor ......................................................................................................................... 202
Remove the ITB motor .................................................................................... 202
Main-drive assembly ........................................................................................................ 203
Remove the main-drive assembly ................................................................... 204
Reinstall the main-drive assembly .................................................. 207
Fuser-drive assembly ...................................................................................................... 211
Remove the fuser-drive assembly ................................................................... 212
Reinstall the fuser-drive assembly .................................................. 215
Optional paper feeder assemblies (1 x 500-sheet and 3 x 500-sheet) ............................................. 216
Front door (optional paper feeder) ................................................................................... 216
Rear cover (optional paper feeder) .................................................................................. 218
Right-front cover (optional paper feeder) ......................................................................... 219
Right door (optional paper feeder) ................................................................................... 220
Left cover (optional paper feeder) .................................................................................... 222
Remove the left cover (optional paper feeder) ................................................ 222
Right cover (optional paper feeder) ................................................................................. 224
Remove the right cover (optional paper feeder) .............................................. 224
Rear-right cover (optional paper feeder) .......................................................................... 225
Remove the rear-right cover (optional paper feeder) ...................................... 225
Pickup assembly (optional paper feeder) ........................................................................ 226
Remove the pickup assembly (optional paper feeder) .................................... 226
Lifter assembly (optional paper feeder) ........................................................................... 229
Remove the lifter assembly (optional paper feeder) ....................................... 229
ENWW ix