HP LaserJet P2050 Series Service Manual

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

HP LaserJet P2050 Series Specifications

General

Print Technology	Laser
Monthly Duty Cycle	Up to 50, 000 pages
Processor Frequency	400 MHz
Print Resolution	1200 x 1200 dpi
Input Capacity	250 sheets
Connectivity	USB 2.0
Standard Printer Languages	PCL 5e, PCL 6, PostScript Level 3 emulation
Duplex Printing	Manual (driver support)
Monthly Duty Cycle (alternative)	50, 000 pages
Input Capacity (alternative)	250 sheets
Supported Media Sizes	Letter, Legal, Executive, A4, A5, A6, B5, Envelopes (C5, B5, DL)
Supported Media Types	Plain, bond, letterhead, envelopes, labels, transparencies, cardstock
Operating System Compatibility	Windows, Mac OS
First Page Out	8 sec