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Solve wireless problems (HP Officejet 4620 e-All-in-One series)..........................................112
Basic wireless troubleshooting.........................................................................................113
Advanced wireless troubleshooting..................................................................................113
Step 1: Make sure your computer is connected to your network................................114
Step 2: Make sure that the printer is connected to your network...............................114
Step 3: Check to see if the firewall software is blocking communication....................115
Step 4: Make sure the printer is online and ready......................................................116
Step 5: Make sure the wireless version of the printer is set as the default printer
driver (Windows only).................................................................................................116
Step 6: Make sure your computer is not connected to your network over a Virtual
Private Network (VPN)................................................................................................117
After resolving the problems ......................................................................................117
Configure your firewall software to work with the printer........................................................118
Solve printer management problems (HP Officejet 4620 e-All-in-One series).......................119
Embedded web server cannot be opened........................................................................119
Troubleshoot installation issues.............................................................................................120
Hardware installation suggestions....................................................................................120
HP software installation suggestions................................................................................121
Solve network problems (HP Officejet 4620 e-All-in-One series).....................................121
Understand the Printer Status Report....................................................................................122
Understand the network configuration page (HP Officejet 4620 e-All-in-One series)............123
Uninstall and reinstall the HP software...................................................................................125
Printhead maintenance...........................................................................................................126
Clean the printhead..........................................................................................................126
Align the printhead............................................................................................................127
Print and evaluate a print quality report............................................................................128
To print a print quality report.......................................................................................128
To evaluate the Print Quality Diagnostic Page...........................................................129
Clear jams...............................................................................................................................134
Clear paper jams..............................................................................................................134
Avoid paper jams..............................................................................................................136
A Technical information
Warranty information..............................................................................................................138
Hewlett-Packard limited warranty statement....................................................................139
Ink cartridge warranty information....................................................................................140
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