3 Solve problems ............................................................................................................. 181
Solve problems checklist ....................................................................................................... 182
Menu map .......................................................................................................................... 184
Preboot menu options ........................................................................................................... 185
Current settings pages .......................................................................................................... 192
Troubleshooting process ........................................................................................................ 193
Determine the problem source ................................................................................. 193
Pre-troubleshooting checklist .................................................................... 193
Troubleshooting flowchart ....................................................................... 194
Power subsystem ................................................................................................... 196
Power-on checks .................................................................................... 196
Overview ............................................................................... 196
Tools for troubleshooting ....................................................................................................... 199
Component diagnostics .......................................................................................... 199
LED diagnostics ...................................................................................... 199
Understand lights on the formatter ............................................. 199
Engine diagnostics ................................................................................. 204
Engine test button .................................................................... 204
Formatter test .......................................................................... 204
Print/Stop test ......................................................................... 205
Drum rotation test .................................................................... 205
Paper-path test (and automatic sensor test) ................................................. 206
Paper path sensors test (automatic) ............................................ 206
Manual sensor test ................................................................................. 208
Top of page sensor (PS103) ..................................................... 210
Pre-feed sensor (PS102) ........................................................... 211
Fuser delivery sensor (PS700) ................................................... 212
Duplex sensor (PS1502) ........................................................... 213
Media width sensors 1/2 (PS106/108) ..................................... 214
Output bin full sensor (PS104) .................................................. 215
Tray 1 paper present sensor (PS105) ......................................... 216
Tray 2 paper present sensor (PS101) ......................................... 217
Tray 2 top of stack sensor (PS107) ............................................ 218
Tray 2 paper size switches (SW102) ......................................... 219
Tray/Bin manual sensor test .................................................................... 220
Print/stop test ........................................................................................ 220
Component tests ..................................................................................... 221
Diagrams ............................................................................................................. 223
Block diagrams ...................................................................................... 223
Main assemblies ..................................................................... 223
Main parts ............................................................................. 224
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