i hate that code and had many mpc401s with it,control panel,connector usb to brd,firmware and the controller..
the issue too is if you check service...
WRKED FOR APECO,SHARP,CANON,MINOLTA NYC and do my own thing for last 23 years,dont sell new,all end of lease machines,copiers,printers,faxes and at one time laptops and pcs..