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 Engine diagnostics ................................................................................. 204 Understand lights on the formatter .............................................
199 Engine test button .................................................................... 204 Formatter test .......................................................................... 204 Print/Stop test ......................................................................... 205 Paper-path test (and automatic sensor test) ................................................. 206 Drum rotation test .................................................................... 205 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 x ENWW