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Error: 901 Engine Flash Error
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If this is the first time you have seen this error, do the following:
Power off the printer. Let it sit for five or more minutes.
Then power the printer on again. See if the 901 error returns.
If the error does not return on power up, continue using the printer but keep an eye on it for the next week or two. If the 901 error does not return, there may simply have been a temporary glitch in the engine code.
If the 901 error does return, check the following:
If someone recently flashed the engine code to the printer, make sure the correct engine code was sent. Click here for more information.
If you are a technician working on the printer and you replaced the engine/system board, please confirm that the correct board model was installed.
If the above steps do not fix the problem, you can perform an NVRAM on the printer. Important! Please do this only as a last resort before service as it will cause the printer to set all customer-controlled settings back to the factory defaults.
To perform an NVRAM reset:
Turn off the printer.
With the printer still off, press and hold these three buttons: Select, Go, and the right arrow (>) Menu button. (All three buttons are located on the printer's LCD screen.)
Power on the printer while holding down these three buttons.
Continue holding the buttons until you see Performing Self Test, or Clearing NVRAM, or Restoring Factory Defaults on the printer LCD screen. You can then release the buttons.
If the error does not return on power up, continue using the printer but keep an eye on it for the next week or two. If the 901 error does not come back, the printer should be fine.
If the 901 error does return, the engine/system board will most likely need to be replaced.