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RFU LOAD ERROR RESEND RFU OVER PARALLEL PORT (232 Views)
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mikevallabh Honor Student
Honor Student
mikevallabh
Posts: 3
Registered: ‎05-06-2012
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RFU LOAD ERROR RESEND RFU OVER PARALLEL PORT

[ Edited ]

‎05-06-2012 08:42 PM - edited ‎05-06-2012 08:45 PM

My apologies, I accidentally posted this to the wrong board.  I'm trying to figure out how to shift it to the "Other Printers board"....

 

 

Hi,

 

I have an HP Color Laserjet 5550 DTN displaying the following error on it's LCD screen "RFU LOAD ERROR RESEND RFU OVER PARALLEL PORT".   I connected via a mini-parallel cable and issued the command via Windows command prompt:

 

copy /b clj5550fw_07.200.5.rfu lpt1:

 

The LCD screen read "RFU RECEIVED, CYCLIING POWER".  After at least 20mins the printer had not power cycled so I turned it off and back on again.  I can now see nothing on the LCD screen.  No memory checking viewable and no LEDS light at all.

 

Is there a way to perform the firmware upgrade again or am I going to have to purchase a new firmware DIMM.  I believe the part number for a new firmware DIMM is HP Q7725-68002?

 

Cheers,

Mike

 

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