9 Solve problems ....................................................................................................................................................................................... 81
Customer support .................................................................................................................................................................. 82
Interpret control-panel light patterns (LED control panels only) ................................................................................... 83
Restore the factory-set defaults ......................................................................................................................................... 86
A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel or EWS ................... 87
Change the “Very Low” settings ...................................................................................................................... 87
For printers with fax capability ................................................................................................... 88
Order supplies .................................................................................................................................................... 88
Printer does not pick up paper or misfeeds ....................................................................................................................... 89
Introduction ........................................................................................................................................................ 89
The product does not pick up paper ............................................................................................................... 89
The product picks up multiple sheets of paper ............................................................................................ 89
The document feeder jams, skews, or picks up multiple sheets of paper ............................................... 89
Clear paper jams ..................................................................................................................................................................... 91
Introduction ........................................................................................................................................................ 91
Paper jam locations ........................................................................................................................................... 91
Experiencing frequent or recurring paper jams? .......................................................................................... 92
Clear paper jams in the document feeder (fw models only) ...................................................................... 95
Clear paper jams in Tray 1 ................................................................................................................................ 98
Clear paper jams in the rear door and the fuser area .................................................................................. 99
Clear paper jams in the output bin ............................................................................................................... 101
Improve print quality ........................................................................................................................................................... 103
Introduction ...................................................................................................................................................... 103
Update the printer rmware .......................................................................................................................... 104
Print from a dierent software program .................................................................................................... 104
Check the paper-type setting for the print job ........................................................................................... 104
Check the paper type setting on the printer .......................................................................... 104
Check the paper type setting (Windows) ................................................................................ 104
Check the paper type setting (OS X) ........................................................................................ 104
Check toner-cartridge status ........................................................................................................................ 105
Print a cleaning page ...................................................................................................................................... 106
Visually inspect the toner cartridge or cartridges ...................................................................................... 107
Check paper and the printing environment ................................................................................................ 107
Step one: Use paper that meets HP specications ............................................................... 107
Step two: Check the environment ............................................................................................ 107
Step three: Set the individual tray alignment ........................................................................ 108
Try a dierent print driver .............................................................................................................................. 109
Check the EconoMode settings ..................................................................................................................... 109
Adjust Print Density ........................................................................................................................................ 110
Calibrate the printer to align the colors ....................................................................................................... 111
Adjust color settings (Windows) ................................................................................................................... 112
vi ENWW
