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host computer that is sending the update and the I/O method (parallel or network). The reinitialization
time depends on the specific hardware configuration of the product, such as the number of EIO devices
installed, the presence of external paper-handling devices, and the amount of memory that is installed.
Finally, any print jobs that are ahead of the RFU job in the queue are printed before the update is
processed.
Use one of the methods described in this manual to update the product firmware.
Printer messages during the firmware update
The following table lists the causes and results of possible interruptions to the firmware update.
Table 7-1 Troubleshooting a firmware update
Cause Result
The job was cancelled from the control panel. No update has occurred.
A break in the I/O stream occurred during send (for example,
the parallel cable was removed).
No update has occurred.
A power cycle occurred during the RECEIVING UPGRADE
process.
No update has occurred.
A power cycle occurred during the PERFORMING
UPGRADE process.
No update has occurred. Resend the update through a parallel
port or USB connection.
A power cycle occurred during the INITIALIZING process. The update has been completed.
Print jobs that are sent to the product while an update is in process do not interrupt the update.
All HP LaserJet products leave the factory with the most recent firmware version installed. If a remote
firmware update fails in a Windows OS, the .RFU file must be resent. For more information, see
Table
7-3 Update messages on page 320.
If a remote firmware update fails in a Macintosh OS, contact support from an HP Customer Care Center.
The following table lists possible reasons for the failure of a remote firmware update and the corrective
action required for each situation.
Table 7-2 Troubleshooting a firmware update failure
Reason for firmware update failure Corrective action
The .RFU file is corrupted. The product recognizes that the file is corrupted and rejects the update. Download
the file again and send the new file to the product. Download the file from
www.hp.com/go/cljcp6015_firmware.
The wrong product is contained in
the .RFU file.
The product recognizes the product mismatch and rejects the update. Download
the correct file and send it to the product. Download the file from
www.hp.com/go/
cljcp6015_firmware.
The upgrade was interrupted. See Table 7-3 Update messages on page 320.
A flash hardware failure occurred. Although it is extremely unlikely, the product might have a hardware failure. Call
technical support to address the problem (see the flyer that came with the product
for a local telephone support list).
ENWW Remote firmware update 319