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HP Color LaserJet Pro MFP M479fdw

I am getting multiple error codes when I power on my printer. They appear on the printer screen, and it seems random which error code appears. The HP logo and loading bar appear, before crashing to a blue screen with a code. Two of the ones I have seen have been 'D91E2F1C' as well as 'B8146B36'. The printer is not detected by hplip in my OS (Manjaro Linux) when connected via USB.  The printer does make noises like it is prepping per usual. I have attached a video of the power on sequence in case it is helpful. 

 

I am not sure if this could be caused by corrupt firmware, or hardware related. If it is hardware related, could this be caused by a specific logic board within the printer? If so, which board is the likely culprit? I am out of warranty, and want to repair the printer myself. 

 

Thanks in advance for any guidance.

 

 

1 ACCEPTED SOLUTION

Accepted Solutions
HP Recommended

Is the printer disconnected from all communications (USB, network and wireless) when restarting? If yes and you still get that error then likely the formatter is the problem with the printer, but could also be the DC controller, the diagnostics offered for this model are pretty limited. You can try this, once you think that the printer has reached a ready state, open and close the cartridge door five times in succession and see if you get a page of colored lines printed.  If yes, then the DC controller is likely OK and the formatter is the failed component. You can go to HP part surfer to find the part number for the formatter that matches to your serial number. HP Parts Store may or may not sell it. If not Amazon and Ebay are good resources for sourcing parts.

If you find the information provided useful or solves your problems, help other users find the solution easier by marking my post as an accepted solution. Clicking "yes" on "was this reply helpful" also increases the chances that this solution will help others.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.



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3 REPLIES 3
HP Recommended

Is the printer disconnected from all communications (USB, network and wireless) when restarting? If yes and you still get that error then likely the formatter is the problem with the printer, but could also be the DC controller, the diagnostics offered for this model are pretty limited. You can try this, once you think that the printer has reached a ready state, open and close the cartridge door five times in succession and see if you get a page of colored lines printed.  If yes, then the DC controller is likely OK and the formatter is the failed component. You can go to HP part surfer to find the part number for the formatter that matches to your serial number. HP Parts Store may or may not sell it. If not Amazon and Ebay are good resources for sourcing parts.

If you find the information provided useful or solves your problems, help other users find the solution easier by marking my post as an accepted solution. Clicking "yes" on "was this reply helpful" also increases the chances that this solution will help others.
I am a volunteer, offering my knowledge to support fellow users, I do not work for HP nor speak for HP.



HP Recommended

It is disconnected from all communications when restarting, or it was (I'm not sure if it was in the video, but it has been on multiple reboots). I will look into sourcing a replacement formatter. Thanks!

HP Recommended

The cartridge door test worked, so I ordered a replacement formatter board. That did the trick! Everything is up and running. Thank you so much for your help!

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