Duplex reverse-drive assembly ................................................................... 89 Remove the duplex reverse-drive assembly .................................... 89 Fuser ...................................................................................................... 92 Remove the fuser ....................................................................... 92 Paper-delivery assembly ............................................................................ 98 Reinstall the fuser ...................................................................... 97 Remove the paper-delivery assembly ............................................
98 2 Solve problems ............................................................................................................................... 101 Solve problems checklist ....................................................................................................... 102 Menu map .......................................................................................................................... 102 Troubleshooting process ........................................................................................................ 103 Pretroubleshooting checklist ....................................................................................
103 Power-on checks ................................................................................................... 105 Tools for troubleshooting ....................................................................................................... 106 Engine diagnostics ................................................................................................ 106 Diagrams ............................................................................................................. 106 Plug/jack locations .................................................................................
106 Location of connectors ............................................................................ 107 DC controller PCA ................................................................... 107 Location of major components ................................................................. 108 Major components .................................................................. 108 Solenoids, clutches, and sensors ............................................... 109 Rollers .................................................................................... 111 Motors and fans ......................................................................
112 General timing charts ............................................................................. 114 PCAs ..................................................................................... 113 General circuit diagram .......................................................................... 115 CPU/ASIC diagrams .............................................................................. 116 HVT/Toner EMP diagram ........................................................................ 118 Driver PCA diagram ...............................................................................
119 Duplexer PCA diagram ........................................................................... 120 FSR diagram .......................................................................................... 121 Internal print quality test pages ............................................................................... 122 Print quality troubleshooting page ............................................................ 122 Print quality assessment page .................................................................. 122 Print the configuration page .....................................................................
122 Print-quality troubleshooting tools ............................................................................ 123 Repetitive image defects .......................................................................... 123 Calibrate the product .............................................................................. 123 Control panel menus .............................................................................................. 124 ENWW vii