Konica-Minolta bizhub C31P

Detection timing

Type	Description
Detection of media misfeed in control logic	By image write start signal timing • The pressure operation of the first image transfer mechanism is not completed during full color printing. • The first image transfer mechanism is not in the state of retraction during monochrome printing.
	• While the leading edge of an image has reached the position where the first image transfer process is performed, the pressure operation of the second image transfer mechanism is not completed.
	• A duplex print job is sent with the number of pages that goes beyond the maximum number of pages allowed to be in the printer for the selected media type.
	• When trying to feed duplex media though there is no media to be fed to the duplex print unit.
	• When printing is directed with the duplex print unit selected as a media source and an exit media set to be fed to the duplex unit.
	• While two sheets of media are in the printer, printing is directed with normal media feed settings other than a duplex media feed setting.
	• In duplex printing, a size error or media error occurs.

Relevant electrical parts

MFP board (MFPB)
AD control board (ADCB)

Print control board (PRCB)

Action

Step	Action	Control signal	Location
1	Initial check items.
2	Change ADCB.
3	Change MFPB.
4	Change PRCB.