If it were a Xerox machine I would replace the CMOS battery and make sure the time was correct and hope dearly that it fixed the issue.
Because the next step would be to replace the ESS NVM2 PWB , which gets costly.
Your best bet would be to source a service manual as it probably states exactly what to do with this particular device, but as it is a FujiXerox and not sold within North America, I have nothing to consult here.
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