HP Color LaserJet Enterprise CP5520 - Page 9

Media detection ....................................................................................... 58
Feed-speed control ................................................................................... 59
Fusing and delivery block ......................................................................................... 59
Loop control ............................................................................................ 59
Pressure roller pressurization and depressurization control ............................ 61
Output bin full detection ............................................................................ 62
Duplex block (duplex models only) ............................................................................ 63
Duplex reverse and duplex feed control ...................................................... 63
Duplex operation ..................................................................................... 64
Jam detection ......................................................................................................... 66
Paper feeder ......................................................................................................................... 68
Paper-feeder motors ................................................................................................. 69
Paper-feeder paper pickup and feed ......................................................................... 70
Cassette media-size detection and cassette-presence detection ...................................... 70
Paper-feeder cassette lift operation ............................................................................ 71
Paper-feeder jam detection ....................................................................................... 72
Optional 3X500-sheet paper deck ........................................................................................... 73
Motor control .......................................................................................................... 76
Pickup-and-feed operation ........................................................................................ 77
Cassette media-size detection and cassette-presence detection ...................................... 78
Cassette lift-up operation .......................................................................................... 79
Jam detection ......................................................................................................... 81
2 Removal and replacement .............................................................................................. 83
Introduction ........................................................................................................................... 84
Removal and replacement strategy ........................................................................................... 84
Electrostatic discharge ............................................................................................................ 84
Required tools ........................................................................................................................ 85
Service approach ................................................................................................................... 86
Before performing service ........................................................................................ 86
After performing service ........................................................................................... 86
Post-service test ....................................................................................................... 86
Print-quality test ........................................................................................ 86
Removal and replacement procedures ...................................................................................... 87
Print cartridges ........................................................................................................ 87
Toner-collection unit ................................................................................................. 91
Fuser ..................................................................................................................... 93
Reset the New Fuser Kit setting at the control panel ...................................... 93
Pickup roller (Tray 1) ............................................................................................... 94
Separation pad (Tray 1) ........................................................................................... 95
Separation roller assembly (Tray 2) ........................................................................... 97
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