HP CP2020

Fusing stage ...................................................................................................................... 70
Step 7: fusing .................................................................................................... 70
ITB cleaning stage ............................................................................................................. 71
Step 8: ITB cleaning .......................................................................................... 71
Drum cleaning stage .......................................................................................................... 72
Step 9: drum cleaning ....................................................................................... 72
Pickup-and-feed system ..................................................................................................................... 73
Jam detection .................................................................................................................... 75
6 Removal and replacement
Removal and replacement strategy ................................................................................................... 78
General cautions during removal and replacement ........................................................... 78
Electrostatic discharge ....................................................................................................... 78
Required tools ................................................................................................................... 79
Types of screws ................................................................................................................. 79
Before performing service .................................................................................................. 80
After performing service ..................................................................................................... 80
Post-service test ................................................................................................................ 81
Print-quality test ................................................................................................ 81
Print cartridges ................................................................................................................................... 82
Tray 2 cassette ................................................................................................................................... 83
Rollers and pads ................................................................................................................................ 84
Transfer roller .................................................................................................................... 84
Paper-pickup roller ............................................................................................................. 85
Separation roller ................................................................................................................ 87
Reinstall the separation roller ............................................................................ 89
Paper-pickup roller (Tray 1) ............................................................................................... 90
Separation pad (Tray 1) ..................................................................................................... 92
Components and major assemblies ................................................................................................... 93
Link guide .......................................................................................................................... 93
DIMM cover ....................................................................................................................... 94
Print-cartridge drawer ........................................................................................................ 95
Intermediate transfer belt (ITB) .......................................................................................... 97
Reinstall the ITB .............................................................................................. 100
Paper-feed guide assembly ............................................................................................. 101
Rear-door stopper and link caps (simplex product) ......................................................... 103
Rear door (simplex product) ............................................................................................ 104
Rear door (duplex product) .............................................................................................. 106
Right cover ....................................................................................................................... 108
Reinstall the right cover ................................................................................... 110
Rear-upper cover (duplex product) .................................................................................. 111
Rear cover and feed guide (simplex product) .................................................................. 112
Rear-lower cover and rear-door links (duplex product) ................................................... 116
vi ENWW