User Guide

Troubleshooting a firmware update
The following table lists the causes and results of possible interruptions to the firmware update.
Table 4-5 Troubleshooting a firmware update
Cause Result
The control panel cancelled a job. No update occurred.
A break in the I/O stream occurred
during a send.
No update occurred.
A power cycle occurred during
RECEIVING UPGRADE .
No update occurred.
A power cycle occurred during
UPGRADING PRINTER.
No update occurred. Resend the update through a parallel port.
A power cycle occurred during WAIT
FOR PRINTER TO REINITIALIZE.
The update is complete.
NOTE Print jobs that are sent to the printer while an update is in process do not interrupt the
update.
The following table lists possible reasons for the failure of a remote firmware update and the
corrective action required for each situation.
Table 4-6 Troubleshooting a firmware update failure
Cause Action
The RFU file is corrupted. The printer recognizes that the file is corrupted and rejects the update. Download
the file again and send the new file to the printer. Download the file from:
http://www.hp.com/go/lj4200_firmware, http://www.hp.com/go/lj4250_firmware,
http://www.hp.com/go/lj4300_firmware, or http://www.hp.com/go/lj4350_firmware.
The RFU file contains the wrong printer
model.
The printer recognizes the model mismatch and rejects the update. Download the
correct file and send it to the printer. Download the file from:
http://www.hp.com/
go/lj4200_firmware, http://www.hp.com/go/lj4250_firmware, http://www.hp.com/go/
lj4300_firmware, or http://www.hp.com/go/lj4350_firmware.
The upgrade is interrupted. See Troubleshooting a firmware update.
A flash hardware failure occurred. The device might have a hardware failure.
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