HP LASERJET M5025 - Page 7

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 v