You need to use the diagnostics mode in order to resolve the errors. I've found on a forum information related to this procedure and you can use it as well on your device. Keep in mind that you might not be able to overcome it and technical support is required by the Xerox manufacturers.
- Enter diagnostics
- Enter DC131 (NVM Read/Write)
- Enter 03 Machine Run Control and change the following locations.
set 3-005 (System Install Phase) to 4 (Install Complete)
set 3-018 (DC Install Phase) to 4 (Install Complete) - Credits goes to Tech9 @ CopyTechNet