Changed the CF-Card and machine came up. However there was an error message "501" firmware not matching. Tried to update the FW on that CF-Card from...
A little off-topic, but this is the same effect which killed so many BH-C-253/353 machines. Hardened waste toner blocking the waste toner augers, but...
It looks like. Has the same frontdoor as the Lexmark printers and also the bizhub-4700p printers from KonicaMinolta which are also of Lexmark origin....