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Security features ................................................................................................................................ 82
Secure the embedded Web server .................................................................................... 82
Secure Disk Erase ............................................................................................................. 82
Data affected ..................................................................................................... 82
Additional Information ....................................................................................... 83
Job storage ....................................................................................................... 83
Lock the control-panel menus ............................................................................................ 83
Manage supplies ................................................................................................................................ 84
Print-cartridge storage ....................................................................................................... 84
HP policy on non-HP print cartridges ................................................................................. 84
HP fraud hotline and Web site ........................................................................................... 84
Replace supplies ................................................................................................................................ 85
Locate supplies .................................................................................................................. 85
Supply replacement guidelines .......................................................................................... 85
Approximate replacement intervals for supplies ................................................................ 86
Change print cartridges ..................................................................................................... 86
Change image drums ........................................................................................................ 88
Install memory ................................................................................................................... 91
Install DDR memory DIMMs .............................................................................. 91
Enable memory for Windows ............................................................................ 95
Install an HP Jetdirect or EIO print server card or EIO hard disk ...................... 96
Replace the staple cartridge .............................................................................................. 98
Replace saddle stitch staple cartridges in the booklet maker .......................................... 100
Clean the product ............................................................................................................................. 103
Clean spilled toner ........................................................................................................... 103
Clean the product exterior ............................................................................................... 103
Clean the product interior ................................................................................................ 103
Clean the 3X500 sheet input tray .................................................................................... 105
Clean the IPTU ................................................................................................................ 106
Upgrade the firmware ....................................................................................................................... 107
Determine the current firmware version ........................................................................... 107
Download new firmware from the HP Web site ............................................................... 107
Transfer the new firmware to the product ........................................................................ 107
Use FTP to upload the firmware through a browser ....................................... 107
Use FTP to upgrade the firmware on a network connection using Microsoft
Windows .......................................................................................................... 108
Use HP Web Jetadmin to upgrade the firmware ............................................. 108
Use MS-DOS commands to upgrade the firmware for USB connections ....... 109
Upgrade the HP Jetdirect firmware .................................................................................. 109
Set the real-time clock ...................................................................................................................... 111
Set the real-time clock ..................................................................................................... 111
5 Theory of operation
Basic operation ................................................................................................................................. 114
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