44 Maintenance C9148-90909
Troubleshooting RFU installation
RFU installation error messages
The following messages can appear on the control-panel display if the installation is interrupted
for some reason. Turn the MFP power off, and then back on again. Attempt the RFU installation
again.
Hint If the update is not successful but an error message does not appear on the control-panel display
check the event log for RFU error codes. See “Firmware-update event-log errors” on page 119.
● Job Canceled From Printer Control Panel
• No update occurred. Turn the MFP power off, and then back on again. Attempt the RFU
installation again.
● Break In I/o Stream During Send (for example the parallel cable was removed)
• No update occurred. Turn the MFP power off, and then back on again. Attempt the RFU
installation again.
● Power Cycle Occurred During Recieving Upgrade
• No update occurred. Turn the MFP power off, and then back on again. Attempt the RFU
installation again.
● Power Cycle Occurred During Upgrading Printer
• No update occurred. Turn the MFP power off, and then back on again. Attempt the RFU
installation again.
● Power Cycle Occurred During Wait For Printer To Reinitialize
• Update was completed (no action required).
● .RFU File Is Corrupt
• The printer recognizes that the RFU file is damaged (corrupted) and rejects the update.
Download a new RFU file from the website http://www.hp.com/go/lj4100_firmware. Turn
the MFP power off, and then back on again. Attempt the RFU installation again.
● Wrong Printer Model Contained In The .RFU File
• The printer recognizes that the RFU file is not correct for installation to the intended MFP
product and rejects the update. Download the correct RFU file from the website http://
www.hp.com/go/lj4100_firmware. Turn the MFP power off, and then back on again.
Attempt the RFU installation again.
● Update Was Interrupted
• See the information about the job canceled, break in I/O, and power cycle error messages
in this section.
● Flash Hardware Failure Occurred
• The flash DIMM has failed. Replace the flash DIMM on the formatter.
Hint The HP LaserJet 4100mfp product contains a backup copy of the latest version of firmware on
the flash DIMM. If a RFU update fails, the MFP uses this backup copy of the firmware to restart.
Then attempt to install the update again. When the MFP starts using the backup copy of the
firmware, some mfp capabilities are not functional (for example, copying or digital sending). A
successful update must be accomplished to fully restore MFP functions.
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