Run the fax test ............................................................................................................................... 127
What to do if the fax test failed ...................................................................................................... 127
Troubleshoot fax problems ............................................................................................................. 131
Read general instructions in the Help for specic fax problems ................................................... 131
The display always shows Phone O Hook .................................................................. 131
The printer is having problems sending and receiving faxes ...................................... 131
The printer cannot receive faxes, but can send faxes .................................................. 133
The printer cannot send faxes, but can receive faxes .................................................. 134
Fax tones are recorded on my answering machine ...................................................... 134
The computer cannot receive faxes (HP Digital Fax) ................................................... 134
Network and connection issues ........................................................................................................................ 134
Fix wireless connection ................................................................................................................... 135
Find network settings for wireless connection .............................................................................. 135
Fix Wi-Fi Direct connection ............................................................................................................. 135
Fix Ethernet connection .................................................................................................................. 136
Printer hardware issues ..................................................................................................................................... 136
Get help from the printer control panel ............................................................................................................ 137
Understand printer reports ............................................................................................................................... 137
Printer status report ....................................................................................................................... 137
Network conguration page ........................................................................................................... 138
Print quality report .......................................................................................................................... 138
Wireless test report ......................................................................................................................... 138
Web access test report .................................................................................................................... 138
Solve problems using Web Services .................................................................................................................. 138
Maintain the printer ........................................................................................................................................... 139
Clean the scanner glass .................................................................................................................. 139
Clean the exterior ............................................................................................................................ 140
Clean the document feeder ............................................................................................................. 140
Maintain the printhead and cartridges ........................................................................................... 141
Restore original factory defaults and settings ................................................................................................. 142
HP support ......................................................................................................................................................... 143
Appendix A Technical information ................................................................................................................. 145
Specications ..................................................................................................................................................... 145
Regulatory information ..................................................................................................................................... 147
Regulatory Model Number .............................................................................................................. 148
FCC statement ................................................................................................................................. 149
Notice to users in Korea .................................................................................................................. 149
VCCI (Class B) compliance statement for users in Japan ................................................................ 150
Notice to users in Japan about the power cord .............................................................................. 150
Noise emission statement for Germany ......................................................................................... 150
viii ENWW
