Clear jams from the print-cartridge area .......................................................................... 156 Print problems .................................................................................................................................. 157 Print-quality problems ...................................................................................................... 157 Improve print quality ........................................................................................ 157 Print-quality settings .......................................................................
157 Identify and correct print defects ..................................................................... 158 Print-quality checklist ...................................................................... 158 General print-quality issues ............................................................ 158 Scan problems ................................................................................................................................. 163 Solve scanned-image problems ...................................................................................... 163 Scan-quality problems .....................................................................................................
165 Prevent problems ............................................................................................ 165 Solve scan-quality problems ........................................................................... 165 Copy problems ................................................................................................................................. 166 Prevent problems ............................................................................................................. 166 Image problems ...............................................................................................................
166 Media-handling problems ................................................................................................ 167 Performance problems .................................................................................................... 169 Fax problems (fax models only) ....................................................................................................... 170 General fax problem-solve ............................................................................................... 170 Problems receiving faxes .................................................................................................
171 Problems sending faxes .................................................................................................. 174 Voice-call problems ......................................................................................................... 175 Media-handling problems ................................................................................................ 176 Performance problems .................................................................................................... 177 Functional checks .............................................................................................................................
178 Engine test page .............................................................................................................. 178 Drum rotation test ............................................................................................................ 178 Half self-test functional check .......................................................................................... 179 Perform a half self-test check .......................................................................... 179 Perform other checks .....................................................................................
179 Heating element check .................................................................................................... 180 High-voltage contacts check ............................................................................................ 180 Check the print-cartridge contacts ................................................................ 180 Check the high-voltage connector assembly .................................................. 181 Service-mode functions ....................................................................................................................
182 NVRAM initialization ........................................................................................................ 182 Super NVRAM initialization .............................................................................................. 182 Secondary service menu ................................................................................................. 182 Problem-solve tools .......................................................................................................................... 184 Product information pages and reports ............................................................................
184 Configuration page .......................................................................................... 184 Supplies Status page ...................................................................................... 184 PCL, PCL 6, or PS font list .............................................................................. 184 Demo page ...................................................................................................... 185 Usage page .....................................................................................................................
185 Menu map ........................................................................................................................ 185 Network report ................................................................................................................. 185 Fax reports ....................................................................................................................... 186 Fax activity log ................................................................................................ 186 ENWW vii