Fax issues ........................................................................................................................................................... 129
Run the fax test ............................................................................................................................... 129
What to do if the fax test failed ...................................................................................................... 129
Troubleshoot fax problems ............................................................................................................. 134
Read general instructions in the Help for specic fax problems ................................................... 134
The display always shows Phone O Hook .................................................................. 134
The printer is having problems sending and receiving faxes ...................................... 134
The printer cannot receive faxes, but can send faxes .................................................. 136
The printer cannot send faxes, but can receive faxes .................................................. 137
Fax tones are recorded on my answering machine ...................................................... 137
The computer cannot receive faxes (HP Digital Fax) ................................................... 137
Network and connection issues ........................................................................................................................ 138
Fix wireless connection ................................................................................................................... 138
Find network settings for wireless connection .............................................................................. 138
Fix Wi-Fi Direct connection ............................................................................................................. 138
Fix Ethernet connection .................................................................................................................. 139
Printer hardware issues ..................................................................................................................................... 139
Get help from the printer control panel ............................................................................................................ 140
Understand printer reports ............................................................................................................................... 140
Printer status report ....................................................................................................................... 140
Network conguration page ........................................................................................................... 141
Print quality report .......................................................................................................................... 141
Wireless test report ......................................................................................................................... 141
Web access test report .................................................................................................................... 141
Solve problems using Web Services .................................................................................................................. 141
Maintain the printer ........................................................................................................................................... 142
Clean the scanner glass .................................................................................................................. 142
Clean the exterior ............................................................................................................................ 143
Clean the document feeder ............................................................................................................. 143
Maintain the printhead and cartridges ........................................................................................... 144
Restore original factory defaults and settings ................................................................................................. 145
HP support ......................................................................................................................................................... 146
Appendix A Technical information ................................................................................................................. 148
Specications ..................................................................................................................................................... 148
Regulatory information ..................................................................................................................................... 150
Regulatory Model Number .............................................................................................................. 151
FCC statement ................................................................................................................................. 152
Notice to users in Korea .................................................................................................................. 152
VCCI (Class B) compliance statement for users in Japan ................................................................ 153
Notice to users in Japan about the power cord .............................................................................. 153
x ENWW
