Tray 1 paper-pickup assembly ..........................................................................................257 Paper-feed assembly..........................................................................................................261 Reinstallation notes for the paper-feed assembly..............................................................262 Main drive assembly...........................................................................................................263 Registration assembly........................................................................................................266 Sensors and switches..........................................................................................................................268 Tray 2/500-sheet feeder media-size sensor (PS101).........................................................269 Tray 2 media-size sensor (PS101) ...................................................................269 500-sheet feeder media-size sensor..................................................................270 Tray 1 paper sensor (PS105).............................................................................................272 Door switch (SW101)..........................................................................................................273 Solenoids and clutches........................................................................................................................274 Tray 2 pickup solenoid (SL101)..........................................................................................275 Tray 1 pickup solenoid (SL102)..........................................................................................276 Feed-roller clutch (CL101)..................................................................................................277 Accessories ........................................................................................................................................278 500-sheet feeder assembly................................................................................................278 500-sheet feed rollers........................................................................................278 500-sheet feeder right-side cover......................................................................278 500-sheet feeder control PCA ...........................................................................281 500-sheet feeder lifter-drive assembly ..............................................................282 500-sheet feeder paper-pickup drive assembly.................................................283 1,500-sheet feeder assembly.............................................................................................288 1,500-sheet feeder feed rollers..........................................................................288 1,500-sheet feeder separation roller .................................................................288 1,500-sheet feeder door.....................................................................................290 1,500-sheet feeder rear cover............................................................................291 1,500-sheet feeder right-side cover ..................................................................292 1,500-sheet feeder control PCA ........................................................................294 1,500-sheet feeder media-size sensor..............................................................296 1,500-sheet feeder lifter-drive assembly ...........................................................297 1,500-sheet feeder paper-pickup drive assembly..............................................300 7 Troubleshooting Chapter contents.................................................................................................................................301 Introduction .........................................................................................................................................302 Troubleshooting process.....................................................................................................................303 Initial troubleshooting checklist...........................................................................................303 Troubleshooting flowchart ..................................................................................................305 Power-on checks................................................................................................................306 Overview............................................................................................................306 Troubleshooting tools .........................................................................................................................309 Information pages...............................................................................................................310 Menu map..........................................................................................................311 Configuration page ............................................................................................312 Supplies status page .........................................................................................314 Embedded Web server ......................................................................................................315 Gaining access to the embedded Web server...................................................................315 Information tab ..................................................................................................315 Settings tab .......................................................................................................316 ix