Check the send-fax resolution settings ....................................................................................................... 225
Check the image-adjustment settings ........................................................................................................ 226
Optimize fax quality for text or pictures ..................................................................................................... 226
Check the error-correction settings ............................................................................................................. 226
Check the t-to-page setting ........................................................................................................................ 227
Send to a dierent fax machine .................................................................................................................... 227
Check the sender's fax machine ................................................................................................................... 227
Solve wired network problems .......................................................................................................................................... 228
Introduction ...................................................................................................................................................... 228
Poor physical connection ............................................................................................................................... 228
The computer is using the incorrect IP address for the printer ............................................................... 228
The computer is unable to communicate with the printer ....................................................................... 229
The printer is using incorrect link and duplex settings for the network ................................................ 229
New software programs might be causing compatibility problems ...................................................... 229
The computer or workstation might be set up incorrectly ...................................................................... 229
The printer is disabled, or other network settings are incorrect ............................................................. 229
Solve wireless network problems ..................................................................................................................................... 230
Introduction ...................................................................................................................................................... 230
Wireless connectivity checklist ..................................................................................................................... 230
The printer does not print after the wireless conguration completes ................................................. 231
The printer does not print, and the computer has a third-party rewall installed .............................. 231
The wireless connection does not work after moving the wireless router or printer .......................... 231
Cannot connect more computers to the wireless printer ........................................................................ 231
The wireless printer loses communication when connected to a VPN .................................................. 232
The network does not appear in the wireless networks list .................................................................... 232
The wireless network is not functioning ..................................................................................................... 232
Reduce interference on a wireless network ............................................................................................... 232
Solve fax problems .............................................................................................................................................................. 233
Checklist for solving fax problems ............................................................................................................... 233
What type of phone line are you using? ................................................................................. 233
Are you using a surge-protection device? .............................................................................. 233
Are you using a phone company voice-messaging service or an answering machine? . 233
Does your phone line have a call-waiting feature? ............................................................... 234
Check fax accessory status ....................................................................................................... 234
General fax problems ..................................................................................................................................... 235
The fax failed to send ................................................................................................................ 235
An Out of Memory status message displays on the printer control panel ........................ 235
Print quality of a photo is poor or prints as a gray box ........................................................ 235
You touched the Stop button to cancel a fax, but the fax was still sent ............................ 235
No fax address book button displays ...................................................................................... 235
Not able to locate the Fax settings in HP Web Jetadmin ..................................................... 235
x ENWW