Method two: Update the rmware using the Firmware Update Utility ..................................................... 82
9 Solve problems ....................................................................................................................................................................................... 85
Customer support .................................................................................................................................................................. 86
Interpret control-panel light patterns (LED control panels only) ................................................................................... 87
Restore the factory-set defaults ......................................................................................................................................... 91
A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel or EWS ................... 93
Change the “Very Low” settings ...................................................................................................................... 93
For printers with fax capability ................................................................................................... 95
Order supplies .................................................................................................................................................... 95
Printer does not pick up paper or misfeeds ....................................................................................................................... 96
Introduction ........................................................................................................................................................ 96
The product does not pick up paper ............................................................................................................... 96
The product picks up multiple sheets of paper ............................................................................................ 96
The document feeder jams, skews, or picks up multiple sheets of paper ............................................... 96
Clear paper jams ..................................................................................................................................................................... 98
Introduction ........................................................................................................................................................ 98
Paper jam locations ........................................................................................................................................... 98
Experiencing frequent or recurring paper jams? .......................................................................................... 99
Clear paper jams in the document feeder (fw models only) .................................................................... 102
Clear paper jams in Tray 1 ............................................................................................................................. 105
Clear paper jams in the rear door and the fuser area ............................................................................... 106
Clear paper jams in the output bin ............................................................................................................... 108
Improve print quality ........................................................................................................................................................... 110
Introduction ...................................................................................................................................................... 110
Update the printer rmware .......................................................................................................................... 111
Print from a dierent software program ..................................................................................................... 111
Check the paper-type setting for the print job ........................................................................................... 111
Check the paper type setting on the printer .......................................................................... 111
Check the paper type setting (Windows) ................................................................................ 111
Check the paper type setting (macOS) ................................................................................... 111
Check toner-cartridge status ........................................................................................................................ 112
Print a cleaning page ...................................................................................................................................... 113
Visually inspect the toner cartridge or cartridges ...................................................................................... 115
Check paper and the printing environment ................................................................................................ 115
Step one: Use paper that meets HP specications ............................................................... 115
Step two: Check the environment ............................................................................................ 115
Step three: Set the individual tray alignment ........................................................................ 116
Try a dierent print driver .............................................................................................................................. 117
Check the EconoMode settings ..................................................................................................................... 117
Adjust Print Density ........................................................................................................................................ 118
vi ENWW