HP LaserJet 8150 Series Printers - Software Technical Reference

Printer features
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The printer displays three messages during a normal upgrade process:
Printer message Explanation
RECEIVING UPGRADE Displayed from the time the printer
recognizes the beginning of an
.RFU upgrade until the time the
printer has verified the validity and
integrity of the .RFU upgrade.
UPGRADING PRINTER Displayed while the printer is
actually reprogramming the DIMM
with the .RFU upgrade.
WAIT FOR PRINTER TO
REINITIALIZE
Displayed from the time the printer
has finished re-programming the
DIMM until the printer reinitializes.
NOTE: To verify that the firmware upgrade succeeded, print a
Configuration page from the printer’s control panel and
verify that the firmware datecode shown on the
Configuration page is the same as the datecode of the
.RFU file you downloaded.
Troubleshooting a firmware upgrade
The following table lists causes and results for possible interruptions to the firmware
upgrade.
Cause Result
Job cancelled from printer control panel No upgrade has occurred.
Break in I/O stream during send (for
example, parallel cable removed)
No upgrade has occurred.
Power cycle during RECEIVING
UPGRADE
No upgrade has occurred.
Power cycle during UPGRADING
PRINTER
Resend upgrade.
Power cycle during WAIT FOR
PRINTER TO REINITIALIZE
Upgrade completed.
Print jobs sent to the printer while an upgrade is in process will not interrupt the upgrade.