7 Troubleshooting Chapter contents ...................................................................................................................303 Introduction ............................................................................................................................306 Troubleshooting process .......................................................................................................307 Pre-troubleshooting checklist .........................................................................................307 Troubleshooting flowchart ..............................................................................................308 Troubleshooting power-on ..............................................................................................310 Printer error troubleshooting .................................................................................................312 Status messages ............................................................................................................312 Warning messages .........................................................................................................312 Error messages ..............................................................................................................312 Critical error messages ...................................................................................................312 Alphabetical printer messages .......................................................................................312 Numerical printer messages ...........................................................................................327 Replacement parts configuration ..........................................................................................352 Formatter and DC Controller replaced at the same time ...............................................352 Formatter (New) replacement configuration ...................................................................352 Formatter (previously installed in another printer) replacement configuration ...............353 DC Controller (New) replacement configuration ............................................................353 DC Controller (previously installed in another printer) replacement configuration ........354 Media sensor (PS5) replacement configuration .............................................................354 Color Misregistration Sensor (PS12) replacement configuration ...................................355 Laser/scanner Assembly replacement configuration .....................................................355 Fuser replacement configuration ....................................................................................355 Transfer unit (ITB assembly) replacement configuration ...............................................355 Paper path troubleshooting ...................................................................................................356 Paper path jam areas .....................................................................................................357 Paper jam error message ...............................................................................................357 Paper path areas jam troubleshooting ...........................................................................360 Paper jam recovery feature ............................................................................................377 Avoiding paper jams .......................................................................................................377 General paper path troubleshooting ...............................................................................379 Persistent jams ...............................................................................................................380 Image formation troubleshooting ..........................................................................................381 Print quality problems associated with media ................................................................381 Overhead transparency defect .......................................................................................381 Print quality problems associated with the environment ................................................382 Print quality problems associated with paper jams ........................................................382 Print quality problems associated with toner buildup .....................................................382 Print quality troubleshooting pages ................................................................................383 Calibrating the printer .....................................................................................................383 Using Color ...........................................................................................................................384 HP ImageREt 2400 .........................................................................................................384 Paper selection ...............................................................................................................384 Color options (available for the HP Color LaserJet 3700 series printer) ........................384 Standard red-green-blue (sRGB) ...................................................................................384 Printing in four-colors [CMYK (available for the HP Color LaserJet 3700 series printer) .........................................................................................................................385 CMYK ink set emulation (PostScript only) .....................................................................385 Managing color ......................................................................................................................386 Print in Grayscale ...........................................................................................................386 Automatic or manual color adjustment ...........................................................................386 Manual color options ......................................................................................................386 Matching colors .....................................................................................................................388 Swatch book color matching (HP Color LaserJet 3700 series printer only) ...................388 Adjusting color balance ..................................................................................................389 x ENWW