Table of contents
1 Removal and replacement ............................................................................................................................. 1
Introduction ........................................................................................................................................... 2
Removal and replacement strategy ...................................................................................................... 2
Electrostatic discharge ......................................................................................................................... 4
Required tools ...................................................................................................................................... 4
Service approach ................................................................................................................................. 5
Before performing service .................................................................................................... 5
After performing service ....................................................................................................... 6
Post-service tests ................................................................................................................ 6
Test 1 (print-quality test) ..................................................................................... 6
Test 2 (copy-quality test) ..................................................................................... 6
Test 3 (fax-quality test) ........................................................................................ 6
Parts removal order ............................................................................................................. 7
Removal and replacement procedures ................................................................................................ 8
Pickup roller ......................................................................................................................... 8
Separation roller ................................................................................................................ 10
Transfer roller .................................................................................................................... 12
Print-cartridge drawer ........................................................................................................ 14
Right cover ......................................................................................................................... 17
Right-front cover-1 and cover-2 ......................................................................................... 20
Control panel ..................................................................................................................... 22
Left cover ........................................................................................................................... 25
Document-feeder and scanner assembly .......................................................................... 28
Rear-center cover .............................................................................................................. 30
Rear-upper cover ............................................................................................................... 31
Speaker ............................................................................................................................. 33
Top cover ........................................................................................................................... 34
Front door and front-lower cover ....................................................................................... 36
Rear door and rear-lower cover ......................................................................................... 41
Main assemblies ................................................................................................................ 44
Paper-guide assembly ...................................................................................... 44
USB port PCA and bracket ............................................................................... 45
Reinstall the USB port PCA .............................................................. 47
Wireless PCA (wireless models only) ............................................................... 48
ENWW v