User's Manual

Improve scan image quality ............................................................................................................................................... 228
Check the scanner glass for dirt and smudges .......................................................................................... 228
Check the resolution settings ....................................................................................................................... 229
Check the color settings ................................................................................................................................. 230
Check the image-adjustment settings ........................................................................................................ 230
Optimize scan quality for text or pictures ................................................................................................... 231
Check the output-quality settings ................................................................................................................ 231
Improve fax image quality .................................................................................................................................................. 233
Check the scanner glass for dirt and smudges .......................................................................................... 233
Check the send-fax resolution settings ....................................................................................................... 234
Check the image-adjustment settings ........................................................................................................ 235
Optimize fax quality for text or pictures ..................................................................................................... 235
Check the error-correction settings ............................................................................................................. 235
Check the t-to-page setting ........................................................................................................................ 236
Send to a dierent fax machine .................................................................................................................... 236
Check the sender's fax machine ................................................................................................................... 236
Solve wired network problems .......................................................................................................................................... 237
Introduction ...................................................................................................................................................... 237
Poor physical connection ............................................................................................................................... 237
The computer is using the incorrect IP address for the printer ............................................................... 237
The computer is unable to communicate with the printer ....................................................................... 238
The printer is using incorrect link and duplex settings for the network ................................................ 238
New software programs might be causing compatibility problems ...................................................... 238
The computer or workstation might be set up incorrectly ...................................................................... 238
The printer is disabled, or other network settings are incorrect ............................................................. 238
Solve wireless network problems ..................................................................................................................................... 239
Introduction ...................................................................................................................................................... 239
Wireless connectivity checklist ..................................................................................................................... 239
The printer does not print after the wireless conguration completes ................................................. 240
The printer does not print, and the computer has a third-party rewall installed .............................. 240
The wireless connection does not work after moving the wireless router or printer .......................... 240
Cannot connect more computers to the wireless printer ........................................................................ 240
The wireless printer loses communication when connected to a VPN .................................................. 241
The network does not appear in the wireless networks list .................................................................... 241
The wireless network is not functioning ..................................................................................................... 241
Reduce interference on a wireless network ............................................................................................... 241
Solve fax problems .............................................................................................................................................................. 242
Checklist for solving fax problems ............................................................................................................... 242
What type of phone line are you using? ................................................................................. 242
Are you using a surge-protection device? .............................................................................. 242
Are you using a phone company voice-messaging service or an answering machine? . 242
x ENWW