HP LaserJet Enterprise M4555 - Page 16

SSMBM output bin assembly .................................................................................. 318
Remove the SSMBM output bin assembly .................................................. 318
SSMBM stage top assembly ................................................................................... 320
Remove the SSMBM stage top assembly ................................................... 320
Reinstall the SSMBM stage top assembly ................................................... 329
SSMBM stage assembly ......................................................................................... 330
Remove the SSMBM stage assembly ......................................................... 330
SSMBM output bin 3 drive assembly ....................................................................... 333
Remove the SSMBM output bin 3 drive assembly ....................................... 333
3 Problem solving ........................................................................................................... 337
Solve problems checklist ....................................................................................................... 338
Administration Menu Map ..................................................................................................... 340
Current settings page ............................................................................................................ 340
Troubleshooting process ........................................................................................................ 341
Problem-solving flowchart ....................................................................................... 341
Determine the problem source ................................................................................. 344
Pre-troubleshooting checklist .................................................................... 345
Troubleshooting flowchart ....................................................................... 347
Power subsystem ................................................................................................... 348
Power-on checks .................................................................................... 348
Power-on troubleshooting overview ............................................ 348
Control-panel checks ............................................................................................. 350
Scanning subsystem .............................................................................................. 351
Tools for troubleshooting ....................................................................................................... 352
Component diagnostics .......................................................................................... 352
LED diagnostics ...................................................................................... 352
HP Jetdirect Inside LEDs ............................................................ 352
Heartbeat LED ......................................................................... 353
Connectivity LED ..................................................................... 353
Fax LED (fax models only) ........................................................ 353
Engine diagnostics ................................................................................. 353
Early boot diagnostic test ......................................................... 353
Engine test .............................................................................. 354
Formatter test .......................................................................... 355
Half self-test ............................................................................ 355
Drum rotation test .................................................................... 356
Paper-path test ....................................................................................... 357
Manual sensor test ................................................................................. 357
SW1 right lower door .............................................................. 359
SW105 right upper door ......................................................... 360
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