HP LaserJet Pro M521 Multifunction Printer series - Manual (Page 13)

The product uses a fax over IP or VoIP phone service ................... 213
An error message displays on the control panel ......................................... 214
The No fax detected. message displays ..................................... 214
The Communication error message appears ............................... 214
The Fax storage is full message appears .................................... 215
The Fax is busy message appears ............................................. 215
A fax is received but does not print .......................................................... 216
The Private Receive feature is on ............................................... 216
Sender receives a busy signal .................................................................. 216
A handset is connected to the product ........................................ 216
A phone line splitter is being used ............................................. 216
No dial tone .......................................................................................... 216
Cannot send or receive a fax on a PBX line ............................................... 216
Solve general fax problems .................................................................................... 217
Faxes are sending slowly ........................................................................ 217
Fax quality is poor ................................................................................. 218
Fax cuts off or prints on two pages ........................................................... 218
Solve USB connection problems ............................................................................................. 220
Solve wired network problems ............................................................................................... 221
Poor physical connection ....................................................................................... 221
The computer is using the incorrect IP address for the product ..................................... 221
The computer is unable to communicate with the product ........................................... 222
The product is using incorrect link and duplex settings for the network ......................... 222
New software programs might be causing compatibility problems .............................. 222
The computer or workstation might be set up incorrectly ............................................. 222
The product is disabled, or other network settings are incorrect ................................... 222
Solve wireless network problems ............................................................................................ 223
Wireless connectivity checklist ................................................................................ 223
The product does not print after the wireless configuration completes ........................... 224
The product does not print, and the computer has a third-party firewall installed ........... 224
The wireless connection does not work after moving the wireless router or product ........ 224
Cannot connect more computers to the wireless product ............................................. 224
The wireless product loses communication when connected to a VPN .......................... 225
The network does not appear in the wireless networks list .......................................... 225
The wireless network is not functioning ..................................................................... 225
Perform a wireless network diagnostic test ................................................................ 226
Reduce interference on a wireless network ............................................................... 226
Solve product software problems with Windows ...................................................................... 227
A print driver for the product is not visible in the Printer folder .................................... 227
An error message was displayed during the software installation ................................ 227
The product is in Ready mode, but nothing prints ...................................................... 227
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