Print a menu map ............................................................................................................ 140 Tools for troubleshooting .................................................................................................................. 141 Component tests .............................................................................................................. 141 Drum rotation test ............................................................................................ 141 Half self-test functional check .........................................................................
142 Perform a half self-test check .......................................................................... 142 Perform other checks ...................................................................................... 142 Heating element check .................................................................................... 143 High-voltage contacts check ........................................................................... 143 Check the print-cartridge contacts ................................................ 143 Check the high-voltage connector assembly .................................
143 Problem-solving diagrams ................................................................................................................ 144 Repetitive image defects ................................................................................................. 144 Component locations ....................................................................................................... 145 Timing diagram, product base ........................................................................................ 148 Main wiring ......................................................................................................................
148 Formatter PCA and fax card connectors ......................................................................... 151 Control-panel messages .................................................................................................................. 154 Solve control-panel display problems .............................................................................. 154 Alert and warning messages .......................................................................................... 154 Alert and warning message tables ..................................................................
154 Critical error messages .................................................................................................... 156 Critical error message-tables .......................................................................... 156 Solve paper-handling problems ........................................................................................................ 159 Clear jams ........................................................................................................................ 159 Causes of jams ...............................................................................................
159 Where to look for jams .................................................................................... 160 Clear jams from the ADF ................................................................................. 160 Clear jams from the input-tray areas ............................................................... 161 Clear jams from the output bin ........................................................................ 163 Clear jams from the print-cartridge area ......................................................... 164 Avoid repeated jams ......................................................................................
165 Media-handling problems ................................................................................................ 165 Print-media guidelines ..................................................................................... 165 Solve print-media problems ............................................................................ 166 Performance problems .................................................................................................... 167 Solve image-quality problems ..........................................................................................................
169 Print-quality problems ...................................................................................................... 169 Improve print quality ........................................................................................ 169 Print-quality settings ....................................................................... 169 Checking the print cartridge ........................................................................... 170 To redistribute the toner in the print cartridge ................................. 170 Identify and correct print defects .....................................................................
170 Print-quality checklist ...................................................................... 170 ENWW vii