HP LaserJet P2050 Series Service Manual

Post-service test ............................................................................................................................... 101
Print-quality test ............................................................................................................... 101
Print cartridge ................................................................................................................................... 102
Tray 2 cassette ................................................................................................................................. 103
Rollers and pads .............................................................................................................................. 104
Pickup roller; Tray 1 ......................................................................................................... 104
Pickup roller assembly; Tray 2 ......................................................................................... 107
Separation-pad assembly; Tray 2 .................................................................................... 110
Transfer roller .................................................................................................................. 111
External panels, covers, and doors .................................................................................................. 114
DIMM door (HP LaserJet P2050 Series only) .................................................................. 114
Right cover ....................................................................................................................... 115
Reinstall the right cover ................................................................................... 117
Left cover ......................................................................................................................... 118
Rear cover, rear door, and duplex-paper-feed assembly ................................................ 120
Top-cover assembly ........................................................................................................ 124
Cartridge-door assembly and front cover ........................................................................ 127
Reinstall the cartridge-door assembly and front cover .................................... 129
Internal assemblies .......................................................................................................................... 130
Formatter PCA; HP LaserJet P2030 Series .................................................................... 130
Formatter PCA; HP LaserJet P2050 Series .................................................................... 132
Paper-pickup-gear assembly ........................................................................................... 134
Reinstall the paper-pickup-gear assembly ...................................................... 135
Cartridge-door switch ....................................................................................................... 137
Tray 1 pickup solenoid ..................................................................................................... 138
Fan ................................................................................................................................... 140
Reverse-sensor assembly; HP LaserJet P2050 Series ................................................... 142
Power-switch assembly ................................................................................................... 144
Connecting PCA .............................................................................................................. 147
Inlet-cable assembly ........................................................................................................ 150
Registration assembly ..................................................................................................... 152
Laser/scanner assembly .................................................................................................. 156
Fuser ................................................................................................................................ 158
Reinstall the fuser ........................................................................................... 162
Engine controller unit (ECU) ............................................................................................ 163
Reinstall the ECU ............................................................................................ 170
Paper-feed-guide assembly ............................................................................................. 172
Main motor ....................................................................................................................... 174
Face-down-drive or duplexing-paper-feed assembly ....................................................... 177
Duplex solenoid; HP LaserJet P2050 Series ................................................................... 180
Paper-retaining-delivery assembly .................................................................................. 181
7 Solve problems
ENWW vii

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