Konica-Minolta bizhub C200

Detection timing

Type	Description
Detection of misfeed at tray 1 feed section	• The leading edge of the paper does not turn ON the sensor in front of tim. roller (PS1) even after the lapse of a given period of time after the tray 1 starts to feed paper.
Tray 1 feed section loop registration reversing jam	• For paper fed from the tray 1, due to a delay in paper arrival, loop forming in front of the timing roller is not complete before the rise timing of the transport motor (M1).
Tray 1 feed section image write start signal permit waiting jam	• For paper fed from the tray1, the image write start signal permit continues to be disabled for a predetermined period of time after the timing of the image write start signal output.

Relevant electrical parts

Transport motor (M1)
Tray 1 paper feed clutch (CL2)
Sensor in front of tim. roller (PS1)

Printer control board (PRCB)

Action

Step	Action	Control signal	Location
1	Initial check items.
2	PS1 I/O check, sensor check	PRCB CN1-3 (ON)	C to D-19
3	CL2 operation check	PRCB CN5-18 (REM)	C to D-5
4	M1 operation check	PRCB CN27-14 (REM) PRCB CN28-2 (LOCK)	C to D-23
5	Change PRCB