Ah, the old 'Error 51: Consult service manual.'
Ah, the old 'Error 51: Consult service manual.'
That usually happens after the poor printer has been flashing "low toner" messages at you for a few weeks, but you think you have a special printer that can print with no toner left.
I checked in the service manual and it says "Error 51: Printer sulking. Common cause is Mr Dabbs not changing the empty toner cartridge".