Check the scanner glass for dirt and smudges ............................................................................... 130
Check the send-fax resolution settings ......................................................................................... 131
Check the error-correction settings ............................................................................................... 131
Check the fit-to-page setting ......................................................................................................... 131
Clean the pickup rollers and separation pad in the document feeder ........................................... 131
Send to a different fax machine ..................................................................................................... 133
Check the sender's fax machine ..................................................................................................... 133
Solve wired network problems ......................................................................................................................... 134
Introduction ..................................................................................................................................... 134
Poor physical connection ................................................................................................................ 134
The computer is using the incorrect IP address for the product ................................................... 134
The computer is unable to communicate with the product ........................................................... 134
The product is using incorrect link and duplex settings for the network ...................................... 135
New software programs might be causing compatibility problems ............................................. 135
The computer or workstation might be set up incorrectly ............................................................ 135
The product is disabled, or other network settings are incorrect ................................................. 135
Solve wireless network problems ..................................................................................................................... 136
Introduction ..................................................................................................................................... 136
Wireless connectivity checklist ....................................................................................................... 136
The product does not print after the wireless configuration completes ...................................... 137
The product does not print, and the computer has a third-party firewall installed ..................... 137
The wireless connection does not work after moving the wireless router or product ................. 137
Cannot connect more computers to the wireless product ............................................................. 137
The wireless product loses communication when connected to a VPN ........................................ 138
The network does not appear in the wireless networks list .......................................................... 138
The wireless network is not functioning ........................................................................................ 138
Perform a wireless network diagnostic test .................................................................................. 138
Reduce interference on a wireless network ................................................................................... 138
Solve fax problems ............................................................................................................................................ 140
Introduction ..................................................................................................................................... 140
Fax troubleshooting checklist ........................................................................................................ 140
Solve general fax problems ............................................................................................................ 141
Faxes are sending slowly ............................................................................................. 141
Fax quality is poor ........................................................................................................ 142
Fax cuts off or prints on two pages .............................................................................. 143
Index ........................................................................................................................................................... 145
viii ENWW
