Rear-door rib assembly (duplex product) ........................................................................ 119 Upper-cover assembly ..................................................................................................... 121 Reinstall the upper cover ................................................................................ 123 Control-panel assembly ................................................................................................... 124 Left cover .........................................................................................................................
126 Reinstall the left cover ..................................................................................... 127 High-voltage power-supply PCA ...................................................................................... 129 Color-misregistration sensor assembly PCA ................................................................... 132 Reinstall the color-misregistration sensor assembly ....................................... 135 Right panel .......................................................................................................................
136 Motors (M1 and M2) ........................................................................................................ 140 DC controller PCA ........................................................................................................... 142 Special considerations .................................................................................... 142 Remove the DC controller PCA ...................................................................... 142 Formatter PCA .................................................................................................................
144 Special considerations .................................................................................... 144 Remove the formatter PCA ............................................................................. 144 Fan ................................................................................................................................... 146 Intermediate PCA ............................................................................................................ 147 Right-front cover and power button .................................................................................
148 Power-supply sub PCA .................................................................................................... 150 Fuser motor assembly ..................................................................................................... 154 Reinstall the fuser motor assembly ................................................................. 158 Duplex reverse-drive assembly ....................................................................................... 159 Fuser ................................................................................................................................
162 Reinstall the fuser ........................................................................................... 167 Paper-delivery assembly ................................................................................................. 168 Front-door assembly ........................................................................................................ 171 Reinstall the front-door assembly .................................................................... 176 7 Problem solve Introduction .......................................................................................................................................
180 Solve problems checklist .................................................................................................................. 181 Menu map ........................................................................................................................................ 181 Troubleshooting process .................................................................................................................. 182 Pretroubleshooting checklist ........................................................................................... 182 Power-on checks .............................................................................................................
184 Tools for troubleshooting .................................................................................................................. 185 Print-quality troubleshooting tools .................................................................................... 185 Calibrate the product ....................................................................................... 185 Problem-solve diagrams ................................................................................................................... 186 Repetitive image defects .................................................................................................
186 Interface ports .................................................................................................................. 187 ENWW vii