7
Troubleshooting
The troubleshooting chapter contains the information listed below to help resolve printing
problems.
Introduction ............................................................................................................................260
Troubleshooting process .......................................................................................................261
Pre-troubleshooting checklist .........................................................................................261
Troubleshooting flowchart ..............................................................................................262
Troubleshooting flowchart (continued) ...........................................................................264
Troubleshooting power-on ..............................................................................................264
Printer error troubleshooting .................................................................................................266
Status messages ............................................................................................................266
Warning messages .........................................................................................................266
Error messages ..............................................................................................................266
Critical error messages ...................................................................................................266
Alphabetical printer messages ..............................................................................................267
Numerical printer messages .................................................................................................295
Replacement parts configuration (HP Color LaserJet 5550 models) ...................................328
Both the formatter and DC controller ..............................................................................328
Formatter (new or previously installed in another printer) ..............................................328
DC controller (new or previously installed in another printer) ........................................329
Paper path troubleshooting ...................................................................................................330
Jams ...............................................................................................................................330
Jam locations ..................................................................................................................330
Jam locations by error message ....................................................................................330
Jam recovery ..................................................................................................................332
Avoiding paper jams .......................................................................................................333
Persistent jams ...............................................................................................................334
Basic troubleshooting for paper jams .............................................................................334
Data collection ................................................................................................................334
General paper path troubleshooting ...............................................................................335
Paper path checklist .......................................................................................................335
Paper transport troubleshooting ............................................................................................341
Paper is wrinkled or folded .............................................................................................341
Image formation troubleshooting ..........................................................................................343
Print quality problems associated with media ................................................................343
Overhead transparency defects .....................................................................................343
Print quality problems associated with the environment ................................................344
Print quality problems associated with jams ..................................................................344
Print quality troubleshooting pages ................................................................................344
Understanding color variations .......................................................................................344
Print quality defect chart ........................................................................................................350
Image defects ........................................................................................................................356
Light image .....................................................................................................................357
Light color .......................................................................................................................357
Dark image .....................................................................................................................358
Dark color .......................................................................................................................358
Completely blank image .................................................................................................359
ENWW 257
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