Print the configuration page
.............................................................................
81
Printing a menu map
........................................................................
82
Downloading the new firmware from the HP Web site
......................................
82
Downloading the new firmware to the device
....................................................
82
Troubleshooting firmware updates
....................................................................
82
Remote firmware update by using FTP through a browser
...............................
84
Remote firmware update by using FTP on a direct network connection
...........
85
Remote firmware update through a local MS Windows port
............................
86
Windows NT 4.0, Windows 2000, Windows XP, Windows XP or
Windows 2003
..................................................................................
86
Remote firmware update through a USB port
...................................................
87
Remote firmware update through an MS Windows network
............................
88
Remote firmware update for UNIX systems
.....................................................
89
Remote firmware update by using the LPR command
.....................................
89
Remote firmware update through HP Web Jetadmin
.......................................
90
Manage supplies
................................................................................................................................
92
Supplies life
.......................................................................................................................
92
Approximate print-cartridge replacement intervals
............................................................
92
Manage the print cartridge
.................................................................................................
92
Print-cartridge storage
.......................................................................................
92
Use genuine HP print cartridges
.......................................................................
92
HP policy on non-HP print cartridges
................................................................
92
Print-cartridge authentication
............................................................................
93
HP fraud hotline and Web site
..........................................................................
93
Replace supplies and parts
................................................................................................................
94
Supply replacement guidelines
..........................................................................................
94
Change the print cartridge
.................................................................................................
94
Perform preventive maintenance
.......................................................................................
97
Preventive maintenance for the print engine
....................................................
97
The ADF maintenance kit
..................................................................................
97
Clean the device
.................................................................................................................................
98
Clean the exterior
..............................................................................................................
98
Clean the scanner glass
....................................................................................................
98
Clean the scanner lid backing
............................................................................................
99
Clean the ADF
.................................................................................................................
100
Clean the print engine paper path
...................................................................................
100
4
Theory of operation
MFP system overview
......................................................................................................................
104
Print engine
......................................................................................................................................
106
Basic sequence of operation
...........................................................................................
106
Power-on sequence
.........................................................................................................
107
Engine control system
.....................................................................................................
107
DC controller PCA
...........................................................................................
108
High-voltage power-supply PCA
.....................................................................
109
Low-voltage power-supply PCA
......................................................................
112
Video interface control
....................................................................................
113
Laser/scanner system
......................................................................................................
113
Image-formation system
..................................................................................................
114
Electrostatic latent-image formation block
......................................................
116
ENWW
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