HP OfficeJet Pro 7720 User Guide - Page 10

The display always shows Phone Off Hook, Fix Wi-Fi Direct connection - specifications

Page 10 highlights

Open the embedded web server ...106 Embedded web server cannot be opened 107 10 Solve a problem ...108 Jams and paper-feed issues ...108 Clear a paper jam ...108 Read general instructions in the Help for clearing paper jams 109 Clear a print carriage jam ...113 Read general instructions in the Help for clearing a print carriage jams 113 Learn how to avoid paper jams ...113 Solve paper-feed problems ...114 Printing issues ...114 Fix problems with page not printing (unable to print 114 Read general instructions in the Help for unable to print issues 115 Fix print quality issues ...119 Read general instructions in the Help for resolving print quality issues 119 Copy issues ...122 Scan issues ...122 Fax issues ...122 Run the fax test ...123 What to do if the fax test failed ...123 Troubleshoot fax problems ...127 Read general instructions in the Help for specific fax problems 127 The display always shows Phone Off Hook 127 The printer is having problems sending and receiving faxes 127 The printer cannot receive faxes, but can send faxes 129 The printer cannot send faxes, but can receive faxes 130 Fax tones are recorded on my answering machine 130 The computer cannot receive faxes (HP Digital Fax 130 Network and connection issues ...130 Fix wireless connection ...131 Find network settings for wireless connection 131 Fix Wi-Fi Direct connection ...131 Fix Ethernet connection ...132 Printer hardware issues ...132 Get help from the printer control panel ...133 Get help from the HP Smart app ...133 Understand printer reports ...133 Printer status report ...133 Network configuration page ...134 Print quality report ...134 ENWW ix

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Open the embedded web server
.....................................................................................................
106
Embedded web server cannot be opened
......................................................................................
107
10
Solve a problem
.......................................................................................................................................
108
Jams and paper-feed issues
..............................................................................................................................
108
Clear a paper jam
.............................................................................................................................
108
Read general instructions in the Help for clearing paper jams
....................................
109
Clear a print carriage jam
................................................................................................................
113
Read general instructions in the Help for clearing a print carriage jams
....................
113
Learn how to avoid paper jams
.......................................................................................................
113
Solve paper-feed problems
.............................................................................................................
114
Printing issues
...................................................................................................................................................
114
Fix problems with page not printing (unable to print)
...................................................................
114
Read general instructions in the Help for unable to print issues
................................
115
Fix print quality issues
....................................................................................................................
119
Read general instructions in the Help for resolving print quality issues
.....................
119
Copy issues
........................................................................................................................................................
122
Scan issues
........................................................................................................................................................
122
Fax issues
...........................................................................................................................................................
122
Run the fax test
...............................................................................................................................
123
What to do if the fax test failed
......................................................................................................
123
Troubleshoot fax problems
.............................................................................................................
127
Read general instructions in the Help for specific fax problems
...................................................
127
The display always shows Phone Off Hook
..................................................................
127
The printer is having problems sending and receiving faxes
......................................
127
The printer cannot receive faxes, but can send faxes
..................................................
129
The printer cannot send faxes, but can receive faxes
..................................................
130
Fax tones are recorded on my answering machine
......................................................
130
The computer cannot receive faxes (HP Digital Fax)
...................................................
130
Network and connection issues
........................................................................................................................
130
Fix wireless connection
...................................................................................................................
131
Find network settings for wireless connection
..............................................................................
131
Fix Wi-Fi Direct connection
.............................................................................................................
131
Fix Ethernet connection
..................................................................................................................
132
Printer hardware issues
.....................................................................................................................................
132
Get help from the printer control panel
............................................................................................................
133
Get help from the HP Smart app
.......................................................................................................................
133
Understand printer reports
...............................................................................................................................
133
Printer status report
.......................................................................................................................
133
Network configuration page
...........................................................................................................
134
Print quality report
..........................................................................................................................
134
ENWW
ix