Konica-Minolta bizhub C3100P

Detection timing

JAM type	Detection timing
Detection of jam at tray 2 conveyance section	• The paper does not unblock the registration sensor (PS5) or the tray2 paper feed sensor (PS3) even after the lapse of a given period of time after the paper has unblocked the tray2 paper feed sensor (PS3).
	• The paper does not block the tray2 paper feed sensor (PS3) even after the lapse of a given period of time after the paper has unblocked the tray2 paper feed sensor (PS3).

Relevant electrical parts

• Tray2 paper feed sensor (PS3)
• Tray2 paper feed clutch (CL1)
• Registration sensor (PS5)

• Printer control board (PRCB)
• PC control board (PCCB)
• Tray2 paper feed motor (M1)

Action

Step	Action	Control signal	Location
1	Initial check items
2	Check the connector between M1-PCCB PJ3 for proper connection and correct as necessary.
3	Check the M1 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 PS3-PCCB PJ5 for proper connection and correct as necessary.
6	Check the connector between CL1-relay CN57-PCCB PJ15 for proper connection and correct as necessary.
7	PRCB CN25 for proper connection and correct as necessary.
8	PS3 sensor check	PCCB PJ5-3 (ON)	3-H to I
9	PS5 sensor check	PRCB CN23-3 (ON)	13-L
10	CL1 operation check	PCCB PJ5-8 (REM)	3-I
11	M1 operation check	PCCB PJ3-4 to 8	3-K
12	Change PCCB.
13	Change PRCB.