HP LaserJet Enterprise MFP M634, M635, M636 - User Guide

Check the paper selection options .......................................................................................... 218
Check the image-adjustment settings ........................................................................................................ 218
Optimize copy quality for text or pictures ................................................................................................... 219
Edge-to-edge copying .................................................................................................................................... 219
Improve scan image quality ............................................................................................................................................... 220
Check the scanner glass for dirt and smudges .......................................................................................... 220
Check the resolution settings ....................................................................................................................... 221
Check the image-adjustment settings ........................................................................................................ 222
Optimize scan quality for text or pictures ................................................................................................... 222
Check the output-quality settings ................................................................................................................ 223
Improve fax image quality .................................................................................................................................................. 224
Check the scanner glass for dirt and smudges .......................................................................................... 224
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 dierent 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 conguration 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 ........................................................................ 232
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 ............................................................................................... 233
Solve fax problems .............................................................................................................................................................. 234
Checklist for solving fax problems ............................................................................................................... 234
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