6 Removal and replacement Introduction ......................................................................................................................................... 90 Removal and replacement strategy ................................................................................................... 90 Electrostatic discharge ....................................................................................................................... 90 Required tools ...................................................................................................................................
90 Before performing service .................................................................................................................. 92 After performing service ..................................................................................................................... 92 Post-service test ................................................................................................................................. 93 Print-quality test .................................................................................................................
93 Parts removal order ............................................................................................................................ 94 Remove the print cartridges ............................................................................................................... 95 Rollers ................................................................................................................................................ 96 Pickup roller .......................................................................................................................
96 Separation roller ................................................................................................................ 98 Transfer roller ................................................................................................................................... 100 Feed assembly ................................................................................................................................. 102 External panels, covers, and doors ..................................................................................................
103 Right cover ....................................................................................................................... 103 Left cover ......................................................................................................................... 105 Front door and Tray 1 or jam-access door ...................................................................... 107 Control-panel module and photo-card reader PCA ......................................................... 111 Rear-side cover ...............................................................................................................
115 Rear-upper cover ............................................................................................................. 116 Rear door and rear-lower cover ....................................................................................... 117 Top cover ........................................................................................................................ 119 Internal assemblies .......................................................................................................................... 122 Main motor .......................................................................................................................
122 Fuser motor ..................................................................................................................... 123 Intermediate transfer belt (ITB) ........................................................................................ 124 Reinstall the ITB .............................................................................................. 129 DC controller PCA ........................................................................................................... 131 Special consideration ......................................................................................
131 Remove the DC controller PCA ...................................................................... 131 Formatter PCA ................................................................................................................. 134 Special consideration ...................................................................................... 134 Remove the formatter PCA ............................................................................. 134 Power supply (high-voltage) ............................................................................................
136 Power supply (low-voltage) .............................................................................................. 140 Power supply (fuser) ........................................................................................................ 146 Fuser ................................................................................................................................ 149 7 Problem solve Solve problems checklist .................................................................................................................. 154 ENWW vii