Interpret control-panel light patterns ................................................................................................................ 73
Restore the factory-set defaults ........................................................................................................................ 76
A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel ........................ 77
Change the “Very Low” settings ....................................................................................................... 77
Order supplies ................................................................................................................................... 78
Printer does not pick up paper or misfeeds ........................................................................................................ 79
Introduction ....................................................................................................................................... 79
The printer does not pick up paper ................................................................................................... 79
The printer picks up multiple sheets of paper .................................................................................. 80
Clear paper jams .................................................................................................................................................. 82
Introduction ....................................................................................................................................... 82
Jam locations .................................................................................................................................... 82
Experiencing frequent or recurring paper jams? .............................................................................. 83
Clear jams in the Main input tray ...................................................................................................... 85
Clear jams in the toner-cartridge area ............................................................................................. 89
Clear jams in the output bin .............................................................................................................. 93
Clear jams in the duplexer ................................................................................................................ 95
Improve print quality ........................................................................................................................................... 98
Introduction ....................................................................................................................................... 98
Print from a different software program ......................................................................................... 98
Check the paper-type setting for the print job ................................................................................. 98
Check the paper type setting (Windows) ....................................................................... 98
Check the paper type setting (OS X) ............................................................................... 99
Check toner-cartridge status ............................................................................................................ 99
Clean the printer ................................................................................................................................ 99
Print a cleaning page ...................................................................................................... 99
Visually inspect the toner cartridge and imaging drum ................................................................. 100
Check paper and the printing environment .................................................................................... 100
Step one: Use paper that meets HP specifications ...................................................... 100
Step two: Check the environment ................................................................................ 100
Step three: Set the individual tray alignment .............................................................. 101
Try a different print driver .............................................................................................................. 102
Check the EconoMode settings ....................................................................................................... 103
Adjust Print Density ........................................................................................................................ 103
Solve wired network problems ......................................................................................................................... 105
Introduction ..................................................................................................................................... 105
Poor physical connection ................................................................................................................ 105
The computer is using the incorrect IP address for the printer ..................................................... 105
The computer is unable to communicate with the printer ............................................................ 105
The printer is using incorrect link speed and duplex settings for the network ............................. 106
New software programs might be causing compatibility problems ............................................. 106
vi ENWW
