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