Solve general problems .................................................................................................................... 186 Troubleshooting checklist ................................................................................................ 186 Factors that affect product performance .......................................................................... 187 Basic problem solving ...................................................................................................... 188 Menu map (HP LaserJet P2050 Series Printers only) ......................................................................
190 Troubleshooting process .................................................................................................................. 191 Pre-troubleshooting checklist .......................................................................................... 191 Tools for troubleshooting .................................................................................................................. 193 Continuous self-test (HP LaserJet P2050 Series only) .................................................... 193 Half self-test functional check ..........................................................................................
193 Drum rotation functional check ....................................................................................... 193 Heating element check .................................................................................................... 194 High-voltage contacts check ............................................................................................ 194 Checking the print cartridge contacts ............................................................ 194 Component locations .......................................................................................................
196 Problem-solve diagrams ................................................................................................................... 202 Repetitive image defect ruler ........................................................................................... 202 Engine controller PCA ..................................................................................................... 203 Major components ........................................................................................................... 205 PCAs ................................................................................................................................
206 General timing chart ........................................................................................................ 207 Circuit diagram ................................................................................................................. 207 Status-light patterns (HP LaserJet P2030 Series Printers only) ....................................................... 209 Status-alert messages (HP LaserJet P2030 Series Printers only) ................................................... 215 Interpret control-panel messages (HP LaserJet P2050 Series Printers only) ..................................
219 Control-panel messages .................................................................................................. 219 Event-log messages ......................................................................................................................... 227 Print the event log (HP LaserJet P2050 Series Printers only) ......................................... 227 Print an event log (HP LaserJet P2030 Series Printers only) .......................................... 227 Event log messages ........................................................................................................
227 Paper-handling problems ................................................................................................................. 229 Jams ................................................................................................................................ 229 Common causes of jams ................................................................................. 229 Jam locations .................................................................................................. 230 Clear jams .......................................................................................................
230 Internal areas .................................................................................. 230 Input trays ....................................................................................... 235 Output bins ..................................................................................... 239 Solve image-quality problems .......................................................................................................... 241 Printed page is different from what appeared onscreen .................................................. 241 Image defect examples ....................................................................................................
242 Light print or faded .......................................................................................... 242 Toner specks ................................................................................................... 243 Dropouts .......................................................................................................... 243 viii ENWW