Minolta Di550 B&W Laser Printer "11a4" Questions

error c-11a4 Subject C-11A4 code occurs after updating the flash ROMCause: The Flash card to update the firmware was applied to the wrong boardfound on kmbs site ssd

Malfunction C-11A4 Our machine won't do anything! And our "oncall" tech cannot come until Friday! Is this something I can fix? Its a finisher exit motor error, maybe you had a paper jam in which case ...