HP LaserJet Pro MFP M127fw - Manual (Page 8)

Improve fax image quality .................................................................................................................................. 94
Check the scanner glass for dirt or smudges ................................................................................... 94
Check the send-fax resolution setting ............................................................................................. 94
Check the lightness/darkness setting .............................................................................................. 95
Check the Error Correction setting .................................................................................................... 95
Check the Fit-to-Page setting ........................................................................................................... 96
Clean the pickup rollers and separation pad in the document feeder ............................................. 96
Send to a different fax machine ....................................................................................................... 97
Check the sender's fax machine ........................................................................................................ 97
Solve wired network problems ........................................................................................................................... 98
Poor physical connection .................................................................................................................. 98
The computer is using the incorrect IP address for the product ...................................................... 98
The computer is unable to communicate with the product ............................................................. 98
The product is using incorrect link and duplex settings for the network ........................................ 99
New software programs might be causing compatibility problems ................................................ 99
The computer or workstation might be set up incorrectly .............................................................. 99
The product is disabled, or other network settings are incorrect ................................................... 99
Solve wireless network problems ..................................................................................................................... 100
Wireless connectivity checklist ....................................................................................................... 100
The product does not print after the wireless configuration completes ...................................... 101
The product does not print, and the computer has a third-party firewall installed ..................... 101
The wireless connection does not work after moving the wireless router or product ................. 101
Cannot connect more computers to the wireless product ............................................................. 101
The wireless product loses communication when connected to a VPN ........................................ 101
The network does not appear in the wireless networks list .......................................................... 101
The wireless network is not functioning ........................................................................................ 102
Perform a wireless network diagnostic test .................................................................................. 102
Reduce interference on a wireless network ................................................................................... 102
Solve fax problems ............................................................................................................................................ 104
Check the hardware setup .............................................................................................................. 104
Faxes are sending slowly ................................................................................................................ 105
Fax quality is poor ........................................................................................................................... 106
Fax cuts off or prints on two pages ................................................................................................ 107
9 Parts, supplies, and accessories ..................................................................................................................... 1
Order parts, accessories, and supplies ............................................................................................................. 110
Customer self-repair parts ................................................................................................................................ 110
Accessories ........................................................................................................................................................ 110
Index ........................................................................................................................................................... 111
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