Read general instructions in the Help for specic fax problems ................................................... 130
The display always shows Phone O Hook .................................................................. 130
The printer is having problems sending and receiving faxes ...................................... 131
The printer cannot receive faxes, but can send faxes .................................................. 132
The printer cannot send faxes, but can receive faxes .................................................. 133
Fax tones are recorded on my answering machine ...................................................... 133
The computer cannot receive faxes (HP Digital Fax) ................................................... 134
Network and connection issues ........................................................................................................................ 134
Fix wireless connection ................................................................................................................... 134
Find network settings for wireless connection .............................................................................. 134
Fix Wi-Fi Direct connection ............................................................................................................. 135
Fix Ethernet connection .................................................................................................................. 135
Printer hardware issues ..................................................................................................................................... 136
Get help from the printer control panel ............................................................................................................ 136
Understand printer reports ............................................................................................................................... 136
Printer status report ....................................................................................................................... 137
Network conguration page ........................................................................................................... 137
Print quality report .......................................................................................................................... 137
Wireless test report ......................................................................................................................... 137
Web access test report .................................................................................................................... 137
Solve problems using Web Services .................................................................................................................. 138
Maintain the printer ........................................................................................................................................... 138
Clean the scanner glass .................................................................................................................. 138
Clean the exterior ............................................................................................................................ 139
Clean the document feeder ............................................................................................................. 139
Maintain the printhead and cartridges ........................................................................................... 140
Restore original factory defaults and settings ................................................................................................. 141
HP support ......................................................................................................................................................... 142
Appendix A Technical information ................................................................................................................. 144
Specications ..................................................................................................................................................... 144
Regulatory information ..................................................................................................................................... 146
Regulatory Model Number .............................................................................................................. 147
FCC statement ................................................................................................................................. 148
Notice to users in Korea .................................................................................................................. 148
VCCI (Class B) compliance statement for users in Japan ................................................................ 149
Notice to users in Japan about the power cord .............................................................................. 149
Noise emission statement for Germany ......................................................................................... 149
Visual display workplaces statement for Germany ........................................................................ 149
Notice to users of the U.S. telephone network: FCC requirements ................................................ 150
Notice to users of the Canadian telephone network ...................................................................... 151
x ENWW