Smearing ......................................................................................................................... 215 Misplaced image .............................................................................................................. 215 Reversed color ................................................................................................................. 215 Snail tracks ...................................................................................................................... 215 Repetitive-defects troubleshooting ...................................................................................................
216 Interface troubleshooting .................................................................................................................. 218 Communication checks .................................................................................................... 218 EIO troubleshooting ......................................................................................................... 218 Secondary service menu .................................................................................................................. 219 Open the secondary service menu ..................................................................................
219 Secondary service menu structure .................................................................................. 219 Test pages ........................................................................................................................................ 221 Engine test page .............................................................................................................. 221 Formatter test .................................................................................................................. 221 Half-self test .....................................................................................................................
221 Drum-rotation test ............................................................................................................ 222 Engine resets ................................................................................................................................... 223 Engine resets ................................................................................................................... 223 Restore defaults (cold reset) ........................................................................... 223 NVRAM initialization ........................................................................................
223 Configuration utility .......................................................................................... 224 Troubleshooting diagrams ................................................................................................................ 225 Connector locations ......................................................................................................... 225 Major assemblies ............................................................................................................. 227 DC controller connectors .................................................................................................
231 Timing diagram ................................................................................................................ 232 Circuit diagrams ............................................................................................................... 233 7 Parts and diagrams Ordering parts and supplies ............................................................................................................. 238 Parts ................................................................................................................................ 238 How to use the parts lists and diagrams ..........................................................................
238 Types of screws ............................................................................................................... 238 Related documentation and software .............................................................................. 239 Accessories and supplies ................................................................................................ 239 External panels and covers .............................................................................................................. 242 Internal components .........................................................................................................................
248 Paper-pickup drive assembly ........................................................................................................... 258 Developing separation-drive assembly ............................................................................................ 260 Fuser drive assembly ....................................................................................................................... 262 Cassette (tray 2) ...............................................................................................................................
264 Paper-pickup assembly .................................................................................................................... 266 Electrostatic transfer belt .................................................................................................................. 268 Multipurpose tray assembly (tray 1) ................................................................................................. 270 Fuser ................................................................................................................................................
272 PCAs ............................................................................................................................................... 274 500-sheet feeder cassette (tray 3) ................................................................................................... 276 500-sheet feeder paper-pickup assembly ........................................................................................ 278 500-sheet feeder PCA ......................................................................................................................
280 Alphabetical parts list ....................................................................................................................... 282 viii ENWW