Konica-Minolta bizhub C252

Detection timing

Type	Description
Detection of misfeed at Tray 1 feed section	The leading edge of the paper does not block the Registration Roller Sensor (PC1) even after the lapse of a given period of time after the Tray 1 Paper Feed Clutch (CL2) has been energized.
Tray 1 Feed section Loop Registration Reversing JAM	Rise timing of load for registration is earlier than the one for making the loop at front of the Registration Roller at Tray 1 feed.

Relevant electrical parts

Tray 1 Paper Feed Clutch (CL2)
Registration Roller Sensor (PC1)

Mechanical Control Board (PWB-M)

Action

Step	Action	Control signal	Location
1	Initial check items.
2	PC1 I/O check, Sensor check	PWB-M CNSEN-3 (ON)	C-3
3	CL2 operation check	PWB-M CNLP-13 (ON)	C-9 to 10
4	Change PWB-M