HP 556dn

Manually congure IPv6 TCP/IP parameters from the control panel ............................................... 84
Link speed and duplex settings ........................................................................................................ 85
Printer security features ...................................................................................................................................... 87
Introduction ....................................................................................................................................... 87
Security statements .......................................................................................................................... 87
Assign an administrator password ................................................................................................... 87
IP Security .......................................................................................................................................... 88
Lock the formatter ............................................................................................................................ 88
Encryption support: HP High Performance Secure Hard Disks ........................................................ 88
Energy-conservation settings ............................................................................................................................. 89
Introduction ....................................................................................................................................... 89
Optimize speed or energy usage ...................................................................................................... 89
Set the sleep timer and congure the printer to use 1 watt or less of power ................................. 89
Set the sleep schedule ...................................................................................................................... 90
HP Web Jetadmin ................................................................................................................................................. 92
Software and rmware updates .......................................................................................................................... 93
6 Solve problems ............................................................................................................................................ 95
Customer support ................................................................................................................................................ 96
Control panel help system ................................................................................................................................... 97
Restore factory settings ...................................................................................................................................... 98
Introduction ....................................................................................................................................... 98
Method one: Restore factory settings from the printer control panel ............................................. 98
Method two: Restore factory settings from the HP Embedded Web Server (network-
connected printers only) ................................................................................................................... 98
A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel ......................... 99
Change the “Very Low” settings ....................................................................................................... 99
For products with fax capability ..................................................................................... 99
Order supplies ................................................................................................................................. 100
Printer does not pick up paper or misfeeds ...................................................................................................... 101
Introduction ..................................................................................................................................... 101
The printer does not pick up paper ................................................................................................. 101
The printer picks up multiple sheets of paper ................................................................................ 103
Clear paper jams ................................................................................................................................................ 107
Introduction ..................................................................................................................................... 107
Jam locations .................................................................................................................................. 107
Auto-navigation for clearing jams .................................................................................................. 108
Experiencing frequent or recurring paper jams? ............................................................................ 108
Clear jams in the left door ............................................................................................................... 109
Clear jams in Tray 1 (multipurpose tray) ........................................................................................ 110
Clear jams in Tray 2 ......................................................................................................................... 114
vi ENWW