HP Color LaserJet Pro MFP M178-M181 - User Guide

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 ................................................................................................... 89
Order supplies .................................................................................................................................................... 89
Printer does not pick up paper or misfeeds ....................................................................................................................... 90
Introduction ........................................................................................................................................................ 90
The product does not pick up paper ............................................................................................................... 90
The product picks up multiple sheets of paper ............................................................................................ 90
The document feeder jams, skews, or picks up multiple sheets of paper ............................................... 90
Clear paper jams .................................................................................................................................................................... 92
Introduction ........................................................................................................................................................ 92
Paper jam locations ........................................................................................................................................... 92
Experiencing frequent or recurring paper jams? .......................................................................................... 93
Clear paper jams in the document feeder (fw models only) ...................................................................... 96
Clear paper jams in Tray 1 ............................................................................................................................... 99
Clear paper jams in the rear door and the fuser area ............................................................................... 100
Clear paper jams in the output bin ............................................................................................................... 102
Improve print quality ........................................................................................................................................................... 104
Introduction ...................................................................................................................................................... 104
Update the printer rmware ......................................................................................................................... 105
Print from a dierent software program .................................................................................................... 105
Check the paper-type setting for the print job ........................................................................................... 105
Check the paper type setting on the printer .......................................................................... 105
Check the paper type setting (Windows) ................................................................................ 105
Check the paper type setting (OS X) ........................................................................................ 105
Check toner-cartridge status ........................................................................................................................ 106
Print a cleaning page ...................................................................................................................................... 107
Visually inspect the toner cartridge or cartridges ...................................................................................... 108
Check paper and the printing environment ................................................................................................ 108
Step one: Use paper that meets HP specications ............................................................... 108
Step two: Check the environment ............................................................................................ 108
Step three: Set the individual tray alignment ........................................................................ 109
Try a dierent print driver .............................................................................................................................. 110
Check the EconoMode settings ..................................................................................................................... 110
Adjust Print Density ........................................................................................................................................ 111
Calibrate the printer to align the colors ....................................................................................................... 112
Adjust color settings (Windows) ................................................................................................................... 113
vi ENWW