HP LaserJet Pro CLJ M375NW PRO 300 CE903A#BGJ, M475 CE863A Table of contents

Table of contents

1 Removal and replacement ....................................................................................................................	1
Removal and replacement strategy .............................................................................................	2
Introduction ..............................................................................................................	2
Removal and replacement strategy ..............................................................................	2
Electrostatic discharge ...............................................................................................	3
Required tools ...........................................................................................................	3
Types of screws ........................................................................................................	4
Service approach .....................................................................................................................	5
Before performing service ..........................................................................................	5
After performing service .............................................................................................	5
Post-service tests ........................................................................................................	6
Test 1 (print-quality test) ...............................................................................	6
Test 2 (copy-quality test) ..............................................................................	6
Test 3 (fax-quality test; fax models only) ........................................................	6
Parts removal order ...................................................................................................	7
Removal and replacement procedures ........................................................................................	9
Rollers and pads .......................................................................................................	9
Transfer roller ............................................................................................	9
Pickup roller (Tray 2 and Tray 3) ................................................................	10
Separation roller (Trays 2 or 3) ..................................................................	13
Reinstall the separation roller ......................................................	15
Document feeder pickup roller assembly .....................................................	16
Pickup roller and separation pad (Tray 1) ...................................................	17
Main assemblies .....................................................................................................	20
Print-cartridge drawer ...............................................................................	20
DIMM cover ............................................................................................	22
Right cover ..............................................................................................	23
Document feeder input tray ........................................................................	25
Scanner assembly ....................................................................................	26
Right-front cover and power button .............................................................	28
Rear-upper cover (duplex product) ..............................................................	30
Paper-feed guide assembly ........................................................................	31

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