Paper-path checklist
...........................................................................................
369
Paper-path test
..................................................................................................
369
To perform a paper-path test
.............................................................................
370
Jams in tray 1
....................................................................................................
371
Jams in tray 2
....................................................................................................
372
Jams in tray 3 or tray 4
.......................................................................................
373
Jams in the paper path
......................................................................................
374
Jams in the duplex path
....................................................................................
374
Media transport problems
...................................................................................................................
375
Multiple pages feed
............................................................................................................
375
Media is wrinkled or folded
.................................................................................................
375
Media is skewed
................................................................................................................
376
Image-formation troubleshooting
........................................................................................................
377
Media-related print-quality problems
.................................................................................
377
Overhead transparency defects
.........................................................................................
378
Print-quality problems that are related to the environment
................................................
378
Print-quality problems that are related to jams
...................................................................
378
Image defects
....................................................................................................................
379
Image quality
.....................................................................................................
379
Check the print cartridge
....................................................................................
380
EconoMode
........................................................................................................
380
Half self-test functional check
...........................................................................
381
Drum-rotation functional check
..........................................................................
381
Image defect tables
.............................................................................................................
382
Repetitive-defects troubleshooting
....................................................................................
400
Troubleshooting the stacker and the stapler/stacker
..........................................................................
402
Initial checks
......................................................................................................................
402
Jam errors
..........................................................................................................................
403
Stacker and stapler/stacker paper path
.............................................................
403
Stacker paper-path test
......................................................................................
404
Stapler/stacker paper-path test
..........................................................................
404
Paper-transport errors
........................................................................................................
406
Malfunction errors
...............................................................................................................
406
Component errors
...............................................................................................................
407
Printer-component locations
................................................................................................................
409
Main printer parts
................................................................................................................
409
Printer switches and sensors
..............................................................................................
413
Printer motors and fans
......................................................................................................
414
Printer PCAs
.......................................................................................................................
415
Accessory component locations
..........................................................................................................
416
500-sheet feeder main parts
...............................................................................................
416
500-sheet feeder switches, sensors, solenoids, and PCAs
...............................................
417
1,500-sheet feeder main parts
............................................................................................
418
1,500-sheet feeder switches, sensors, solenoids, and PCAs
............................................
420
Stapler/stacker stapler assembly
........................................................................................
421
Stacker and stapler/stacker switches and sensors
............................................................
422
Stacker and stapler/stacker motors and solenoids
.............................................................
423
Stacker and stapler/stacker PCAs
......................................................................................
424
Printer and accessory wiring diagrams
...............................................................................................
425
HP LaserJet 4200 wiring diagram
.....................................................................................
426
xi