Data affected
.....................................................................................................
90
Additional Information
.......................................................................................
91
Job storage
.......................................................................................................
91
DSS authentication
............................................................................................................
91
Lock the control-panel menus
............................................................................................
91
Lock the formatter cage
.....................................................................................................
92
Manage supplies
................................................................................................................................
93
Print-cartridge storage
.......................................................................................................
93
HP policy on non-HP print cartridges
.................................................................................
93
HP fraud hotline and Web site
...........................................................................................
93
Replace supplies
...............................................................................................................
93
Supplies life
.......................................................................................................
93
Locate supplies
.................................................................................................
94
Supply replacement guidelines
.........................................................................
94
Change print cartridges
.....................................................................................
94
Change the toner collection unit
........................................................................
98
Install memory
.................................................................................................
100
Install DDR memory DIMMs
...........................................................
100
Enable memory for Windows
..........................................................
104
Install an HP Jetdirect or EIO print server card or EIO hard disk ... 105
Clean the product
.............................................................................................................................
108
Clean the outside of the product
......................................................................................
108
Clean the touchscreen
.....................................................................................................
108
Clean the scanner glass
..................................................................................................
108
Clean the document feeder
.............................................................................................
108
Clean the document-feeder backing
...............................................................
109
Clean the document-feeder rollers
..................................................................
110
Clean the fuser
................................................................................................................
111
Product updates
...............................................................................................................................
112
Determine the current firmware version
...........................................................................
112
Download new firmware from the HP Web site
...............................................................
112
Transfer the new firmware to the product
........................................................................
112
Use the flash executable file to update the firmware
......................................
112
Use FTP to upload the firmware through a browser
.......................................
113
Use FTP to upgrade the firmware on a network connection
...........................
113
Use HP Web Jetadmin to upgrade the firmware
.............................................
114
Use Microsoft Windows commands to upgrade the firmware
.........................
114
5
Theory of operation
Basic operation
.................................................................................................................................
116
Sequence of operation
.....................................................................................................
116
Engine-control system
......................................................................................................................
118
DC controller
....................................................................................................................
119
ENWW
v