Konica Minolta Magicolor 5440 DL - Manual (Page 281)

Jam Display Duplex Option Field Service Ver. 2.0 April 2005
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1.5.2 Misfeed at Duplex Option paper feed section
A. Detection Timing
B. Action
Type Description
Detection of mis-
feed at Duplex
Option paper feed
section
The paper does not block the Synchronizing Roller Sensor (PC4) even after the
lapse of a given period of time after the paper feed sequence has been started at
the Duplex Option.
Detection of paper
left at Duplex
Option paper feed
section
The Synchronizing Roller Sensor (PC4) is blocked when the Power Switch is
turned ON, a door or cover is opened and closed, or a misfeed or malfunction is
reset.
Relevant Electrical Parts
Synchronizing Roller Sensor (PC4)
Duplex Door Sensor (PC2 DU)
Duplex Transport Motor (M1 DU)
Duplex Reverse Motor (M2 DU) Duplex Board (PWB-E DU)
Mechanical Control Board (PWB-A)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1 Initial check items - -
2 PC4 sensor check PWB-A PJ15A-3 (ON) 2-H
3 PC2 DU sensor check PWB-E DU PJ4E DU-3 (ON)
3-F~G
(Duplex
Option)
4 M1 DU operation check -
7-D~E
(Duplex
Option)
5 M2 DU operation check -
3-D
(Duplex
Option)
6 Change PWB-E DU. - -
7 Change PWB-A. - -
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