Konica-Minolta bizhub C3110

Detection timing

JAM type	Detection timing
Detection of jam at duplex paper feed section	• The paper does not unblock the registration sensor (PS5) even after the lapse of a given period of time after the paper feed sequence has been started at the duplex.

Relevant electrical parts

• Registration sensor (PS5)
• Duplex conveyance roller clutch (CL13)

• Printer control board (PRCB)
• Transport motor (M2)

Action

Step	Action	Control signal	Location
1	Initial check items
2	Check the connector between M2-PRCB CN11 for proper connection and correct as necessary.
3	Check the M2 connector for proper drive coupling and correct as necessary.
4	Check the connector between PS5-PRCB CN23 for proper connection and correct as necessary.
5	Check the connector between CL13-relay CN20-PRCB CN14 for proper connection and correct as necessary.
6	PS5 sensor check	PRCB CN23-3 (ON)	15-L
7	CL13 operation check	PRCB CN14-5 (REM)	7-C
8	M2 operation check	PRCB CN11-10 to 13	15-C
9	Replace PRCB.