Misfeed At 2Nd Transfer Section - Konica Minolta magicolor 2400W Service Manual

Field Service Ver. 4.0 Feb. 2006
16.4.3

Misfeed at 2nd transfer section

A. Detection Timing
Type
The paper does not unblock the Registration Sensor (PC1) even after the lapse of
a predetermined period of time after the Registration Roller Solenoid (SL2) has
Detection of
been deenergized.
misfeed at 2nd
transfer section
The Fusing Paper Loop Sensor (PC8) is not blocked by the paper that has moved
past the position, at which the sensor is blocked.
The Registration Sensor (PC1) is blocked when the Power Switch is turned ON, a
Detection of paper
cover is opened and closed, or a misfeed or malfunction is reset.
left in 2nd transfer
The Fusing Paper Loop Sensor (PC8) is blocked when the Power Switch is turned
section
ON, a cover is opened and closed, or a misfeed or malfunction is reset.
B. Action
Registration Sensor (PC1)
Fusing Paper Loop Sensor (PC8)
Registration Roller Solenoid (SL2)
Step
1 Initial check items.
Check the PWB-A connector for proper connec-
2
tion and correct as necessary.
3 PC1 sensor check.
4 PC8 sensor check.
5 SL2 operation check.
6 Change PWB-A.
Relevant Electrical Parts
Mechanical Control Board (PWB-A)
Action
Description
WIRING DIAGRAM
Control Signal
-
-
PWB-A PJ12A-3 (ON)
PWB-A PJ14A-6 (ON)
PWB-A PJ11A-4 (REM)
-
16. Jam Display
Location
(Electrical
Component)
-
-
2-C
2-A
2-C
-
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