Konica-Minolta bizhub C350

Detection timing

Type	Description
Misfeed detected at LCT take-up or Vertical Transport Section	The leading edge of the paper does not block the LCT Transport Roller Motor (PC2- LCT) even after the lapse of a given period of time after the Paper Feed Motor has been energized.
	The Tray2 Vertical Transport Sensor (PC108) is not blocked even after the lapse of a given period of time after the paper has blocked the LCT Transport Roller Motor (PC2-LCT).
Paper left at LCT	The LCT Vertical Transport Sensor (PC2-LCT) is blocked when the Power Switch is turned ON, a door or cover is opened and closed, or a misfeed or malfunction is reset.
	The Paper Feed Sensor (PC1-LCT) is blocked when the Power Switch is turned ON, a door or cover is opened and closed, or a misfeed or malfunction is reset.
Misfeed detected as a result of delayed deactivation of sensor	The Tray2 Vertical Transport Sensor (PC108) is not unblocked even after the lapse of a given period of time after it has been blocked by the paper.

Relevant electrical parts

Paper Feed Sensor (PC1-LCT)
LCT Vertical Transport Sensor (PC2-LCT)
Tray2 Vertical Transport Sensor (PC108)
Paper Feed Motor (M1-LCT)

Main Control Board (PWB-C1 LCT)

Action

Step	Action	Control signal	Location
1	Initial check items.
2	PC1-LCT I/O check, Sensor check	PWB-C1 LCT PJ5C1 LCT-2	PC-401 6-C
3	PC2-LCT I/O check, Sensor check	PWB-C1 LCT PJ5C1 LCT-5	PC-401 6-C
4	PC108 I/O check, Sensor check	PWB-MC PJ12MC-6A (ON)	2-R
5	M1-LCT operation check	PWB-C1 LCT PJ6C1 LCT-1 ~ 4	PC-401 6-D
6	Change PWB-C1 LCT