Pickup and feed system ...................................................................................................................... 50
Manual feed slot pickup mechanism .................................................................................. 51
Paper feed mechanism ....................................................................................................... 52
Skew correction by the registration shutter ........................................................................ 52
Jam detection ...................................................................................................................... 53
Printed circuit assembly locations ....................................................................................... 53
250-sheet tray solenoid and printed circuit locations ......................................................... 54
Scanner system ................................................................................................................................... 56
Scanner power-on sequence of events .............................................................................. 56
Copy or scan-to-computer sequence of events .................................................................. 57
Service-only tools ................................................................................................................................ 58
General timing chart ............................................................................................................ 58
Printer calibration ................................................................................................................ 59
5 Removal and replacement
Overview .............................................................................................................................................. 62
Service approach ................................................................................................................................. 63
Pre-service procedures ....................................................................................................... 63
Post-repair tests .................................................................................................................. 63
Removal and replacement procedures ............................................................................................... 65
Print cartridge replacement ................................................................................................. 66
ETB removal and replacement ........................................................................................... 69
Scanner removal and replacement ..................................................................................... 78
Face-up mechanism removal and replacement ................................................................. 80
Upper-cover assembly removal and replacement .............................................................. 82
Side cover removal and replacement ................................................................................. 82
Fuser removal and replacement ......................................................................................... 84
Formatter removal and replacement .................................................................................. 90
DC controller removal and replacement ............................................................................. 92
Separation assembly removal and replacement ................................................................ 95
Paper-pickup roller removal and replacement .................................................................... 96
Control panel removal and replacement ............................................................................. 99
Memory-card assembly removal and replacement (HP Color LaserJet CM1017 MFP
only) .................................................................................................................................. 100
Memory-card-reader cover removal and replacement ..................................................... 102
Scanner lid removal and replacement .............................................................................. 103
6 Troubleshooting
Unpack/power-on checklist ................................................................................................................ 106
Control-panel messages .................................................................................................................... 108
Clearing jams ..................................................................................................................................... 118
Where to look for jams ...................................................................................................... 118
Clear jams from inside the MFP ....................................................................................... 119
Clear jams from tray output area ...................................................................................... 121
Clear jams from the back of the MFP ............................................................................... 122
Clear jams from tray 2 or optional tray 3 .......................................................................... 123
E-Label-reader guide pin damage ..................................................................................................... 125
Print problems .................................................................................................................................... 126
Print-quality problems ....................................................................................................... 126
Identifying and correcting print defects ............................................................ 126
ENWW v
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