Improve copy and scan quality ............................................................................................................................ 94
Check the scanner glass for dirt and smudges ................................................................................. 94
Check the paper settings .................................................................................................................. 94
Optimize for text or pictures ............................................................................................................. 95
Edge-to-edge copying ....................................................................................................................... 95
Clean the pickup rollers and separation pad in the document feeder ............................................. 96
Improve fax image quality ................................................................................................................................... 97
Check the scanner glass for dirt or smudges ................................................................................... 97
Check the send-fax resolution setting .............................................................................................. 97
Check the lightness/darkness setting ............................................................................................... 98
Check the Error Correction setting .................................................................................................... 98
Check the Fit-to-Page setting ........................................................................................................... 99
Clean the pickup rollers and separation pad in the document feeder ............................................. 99
Send to a dierent fax machine ...................................................................................................... 100
Check the sender's fax machine ..................................................................................................... 100
Solve wired network problems .......................................................................................................................... 101
Poor physical connection ................................................................................................................ 101
The computer is using the incorrect IP address for the product .................................................... 101
The computer is unable to communicate with the product ........................................................... 101
The product is using incorrect link and duplex settings for the network ...................................... 102
New software programs might be causing compatibility problems .............................................. 102
The computer or workstation might be set up incorrectly ............................................................. 102
The product is disabled, or other network settings are incorrect .................................................. 102
Solve wireless network problems ..................................................................................................................... 103
Wireless connectivity checklist ....................................................................................................... 103
The product does not print after the wireless conguration completes ....................................... 104
The product does not print, and the computer has a third-party rewall installed ...................... 104
The wireless connection does not work after moving the wireless router or product .................. 104
Cannot connect more computers to the wireless product ............................................................. 104
The wireless product loses communication when connected to a VPN ......................................... 104
The network does not appear in the wireless networks list .......................................................... 104
The wireless network is not functioning ........................................................................................ 105
Perform a wireless network diagnostic test ................................................................................... 105
Reduce interference on a wireless network ................................................................................... 105
Solve fax problems ............................................................................................................................................ 107
Check the hardware setup .............................................................................................................. 107
Faxes are sending slowly ................................................................................................................ 108
Fax quality is poor ........................................................................................................................... 109
Fax cuts o or prints on two pages ................................................................................................. 110
vi ENWW
