HP LaserJet P2050 Series

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