HP LaserJet Enterprise M631 - Page 11

Clear paper jams in the 2,100-sheet high-capacity input tray ................................................................ 188
Clear paper jams in the right door and fuser area ..................................................................................... 192
Clear paper jams in the output bin ............................................................................................................... 195
Clear paper jams in the duplexer .................................................................................................................. 195
Clear paper jams in the envelope feeder .................................................................................................... 196
Clear paper jams in the HP Stapling Mailbox .............................................................................................. 198
Clear staple jams ............................................................................................................................................. 200
Improve print quality ........................................................................................................................................................... 203
Introduction ...................................................................................................................................................... 203
Print from a dierent software program .................................................................................................... 203
Check the paper-type setting for the print job ........................................................................................... 203
Check the paper type setting (Windows) ................................................................................ 203
Check the paper type setting (OS X) ........................................................................................ 204
Check toner-cartridge status ........................................................................................................................ 204
Print a cleaning page ...................................................................................................................................... 204
Visually inspect the toner cartridge ............................................................................................................. 205
Check paper and the printing environment ................................................................................................ 205
Step one: Use paper that meets HP specications ............................................................... 205
Step two: Check the environment ............................................................................................ 205
Step three: Set the individual tray alignment ........................................................................ 206
Try a dierent print driver .............................................................................................................................. 206
Check the EconoMode settings ..................................................................................................................... 207
Adjust print density ......................................................................................................................................... 207
Image defects table ............................................................................................................................................................ 209
Improve copy image quality ............................................................................................................................................... 216
Check the scanner glass for dirt and smudges .......................................................................................... 216
Calibrate the scanner ...................................................................................................................................... 217
Check the paper settings ............................................................................................................................... 218
Check the paper size and type conguration ........................................................................ 218
Select the tray to use for the copy ........................................................................................... 218
Check the image-adjustment settings ........................................................................................................ 218
Optimize copy quality for text or pictures ................................................................................................... 219
Edge-to-edge copying .................................................................................................................................... 219
Improve scan image quality ............................................................................................................................................... 220
Check the scanner glass for dirt and smudges .......................................................................................... 220
Check the resolution settings ....................................................................................................................... 221
Check the image-adjustment settings ........................................................................................................ 222
Optimize scan quality for text or pictures ................................................................................................... 222
Check the output-quality settings ................................................................................................................ 223
Improve fax image quality .................................................................................................................................................. 224
Check the scanner glass for dirt and smudges .......................................................................................... 224
ENWW ix