error 401 error 402 error 411 error 490 richo mp 3350

401	Transfer roller leak error 1
	A transfer roller current leak signal wad detected. (The current feedback signal for the transfer roller was not detected within the correct time.)	• High voltage supply board set incorrectly or defective • Transfer roller set incorrectly or damaged • Transfer unit set incorrectly
402	Transfer roller leak error 2
	A transfer roller current leak signal is detected. The current feedback signal for the transfer roller is not detected within the correct time.	• Transfer roller set incorrectly or damaged • High voltage supply board set incorrectly or defective
411	Separation bias leak error
	A separation bias leak signal was detected.	• High voltage supply board defective • Discharge plate defective
490	Toner supply motor leak error
	More than 1 ampere supplied to the toner supply motor for longer than 200 ms.	• Toner supply motor defective