HP LaserJet M4345 MFP - Software Technical Reference (external)

it may be corrupt, the firmware will not rewrite because it is the
same version.
To update corrupt firmware with the same RFU version, use
the nodebug bundle of firmware, then update using the correct
firmware bundle.
Jetlink protocol
(interface used to hook up output devices; external to MFP)
No version checking.
DC controller
(internal to MFP)
●
duplexer
●
input external trays
●
output external bins
Does version checking.
The firmware updates if the RFU is different from what is
currently on the component. The firmware can be updated if
the RFU is older or newer than the current firmware version.
Will not upgrade if firmware version is the same.
This becomes an issue if the current firmware is corrupt.
Because the firmware version may be the same even though
it may be corrupt, the firmware will not rewrite because it is the
same version.
Topics:
●
Print the configuration page
●
Downloading the new firmware from the HP Web site
●
Downloading the new firmware to the device
●
Printer messages during the firmware update
●
Remote firmware update by using FTP through a browser
●
Remote firmware update by using FTP on a direct network connection
●
Remote firmware update through an optional parallel port
●
Remote firmware update through an MS Windows network
●
Remote firmware update for UNIX systems
●
Remote firmware update by using the LPR command
●
Remote firmware update through HP Web Jetadmin
●
Remote firmware update through the HP Embedded Web Server
Print the configuration page
To determine the current level of firmware, view the configuration page.
To print a configuration page, follow these instructions.
1. Touch Administration.
2. Touch Information.
Table 7-1 Version Checking (continued)
ENWW Remote firmware updates 275
Engineering Details