HP LaserJet Pro MFP M426, M427 - User Guide

Solve wired network problems .......................................................................................................................................... 161
Introduction ...................................................................................................................................................... 161
Poor physical connection ............................................................................................................................... 161
The computer is using the incorrect IP address for the printer ............................................................... 161
The computer is unable to communicate with the printer ....................................................................... 161
The printer is using incorrect link and duplex settings for the network ................................................. 162
New software programs might be causing compatibility problems ....................................................... 162
The computer or workstation might be set up incorrectly ....................................................................... 162
The printer is disabled, or other network settings are incorrect ............................................................. 162
Solve wireless network problems ..................................................................................................................................... 163
Introduction ...................................................................................................................................................... 163
Wireless connectivity checklist ...................................................................................................................... 163
The printer does not print after the wireless conguration completes ................................................. 164
The printer does not print, and the computer has a third-party rewall installed ............................... 164
The wireless connection does not work after moving the wireless router or printer .......................... 164
Cannot connect more computers to the wireless printer ......................................................................... 164
The wireless printer loses communication when connected to a VPN ................................................... 165
The network does not appear in the wireless networks list .................................................................... 165
The wireless network is not functioning ..................................................................................................... 165
Perform a wireless network diagnostic test ............................................................................................... 165
Reduce interference on a wireless network ................................................................................................ 165
Solve fax problems .............................................................................................................................................................. 167
Introduction ...................................................................................................................................................... 167
Fax troubleshooting checklist ....................................................................................................................... 167
Solve general fax problems ........................................................................................................................... 168
Faxes are sending slowly ........................................................................................................... 168
Fax quality is poor ...................................................................................................................... 169
Fax cuts o or prints on two pages ......................................................................................... 170
Index ........................................................................................................................................................................................................... 171
ENWW ix