20-20 (bizhub C754/C654)

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Contents

JAM type	Vertical transport section
JAM code	20-20
Detection timing	The tray 1 vertical transport sensor (PS4) is not turned ON even after the lapse of a given period of time after the paper has turned ON the tray2 vertical transport sensor (PS12).
Misfeed processing location	-Manual bypass tray door -Lower right door
Relevant parts	-Tray 1 vertical transport motor (M5) -Tray 2 vertical transport motor (M7) -LCC vertical transport motor (M26) -Tray 1 vertical transport sensor (PS4) -Tray 2 vertical transport sensor (PS12) -Registration sensor (PS38) -OHP sensor (PS40) -Paper feed/transport drive board (PFTDB) Printer control board (PRCB)

(2)Procedure

Step	Action	Control signal	Location of electrical component
1	Initial check items	–	–
2	PS4 I/O check, sensor check	PFTDB CN15-8 (ON)	2-P
3	PS12 I/O check, sensor check	PFTDB CN14-2 (ON)	3-P
4	PS38 I/O check, sensor check	PFTDB CN3-6 (ON)	5-P
5	PS40 I/O check, sensor check	PFTDB CN3-3 (REM)	4-P
6	M5 operation check	PFTDB CN7-1 to 4	11-X
7	M7 operation check	PFTDB CN7-9 to 12	12-X
8	PFTDB ICP3, ICP12 or ICP14 conduction check	–	–
9	Replace PFTDB (Part# A2X0H00202)	–	–
10	PRCB ICP13 conduction check	–	–
11	Replace PRCB (Part# A2X0H00102)	–	–

• Link to the wiring diagram (N.1. bizhub C754/C654)

K.1.7 (Link to the Field Service Manual)