Konica-Minolta bizhub 454e

Misfeed at tray 3 feed section

Detection timing

13-01	The leading edge of the paper does not turn ON the tray 3 vertical transport sensor (PS113) even after the lapse of a given period of time after the tray 3 starts to feed paper.
13-40	For paper fed from the tray 3, 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.
-	Tray 3 vertical transport sensor (PS113) is turned ON when the main power switch is turned ON, a door or cover is opened and closed, or a misfeed or malfunction is reset.
-	Tray 3 paper feed sensor (PS112) is turned ON when the main power switch is turned ON, a door or cover is opened and closed, or a misfeed or malfunction is reset
-	In case paper position is detected as locating properly after main power switch is turned ON, door and cover are opened / closed or jam/trouble reset is done, it is regarded as paper jam at tray 3 feed section

Relevant parts

• Tray 3 paper feed motor (M111)
• Tray 3 vertical transport motor (M112)
• Tray 3 paper feed sensor (PS112)
• Tray 3 vertical transport sensor (PS113)
• PC Control board (PCCB)

Step	Action	Control signal	Location
1	Initial check items
2	PS112 I/O check, sensor check	PCCB CN4-11 (ON)	PC-110/PC-210 5 to 6-C
3	PS113 I/O check, sensor check	PCCB CN4-14 (ON)	PC-110/PC-210 5-C
4	M111 operation check	PCCB CN5-1 to 8	PC-110/PC-210 4-C
5	M112 operation check	PCCB CN5-9 to 16	PC-110/PC-210 3 to 4-C
6	Change PCCB