Konica Minolta Magicolor 5440 DL - Manual (Page 207)

Malfunction code Main Unit Field Service
4-20
IV
T
roub
lshoo
t
in
g
2.4.10 0096H: 1st image transfer pressure/retraction failure
2.4.11 0300H: Polygon Motor malfunction
Relevant Electrical Parts
Retraction Position Sensor/1st Image Transfer
(PC9)
Pressure/Retraction Clutch /1st Image Transfer
(CL4)
Intermediate Transport Motor (M3) Mechanical Control Board (PWB-A)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Check the M3 connector for proper connection
and correct as necessary.
- -
2
Check the CL4 connector for proper connection
and correct as necessary.
- -
3
Check M3 for proper drive coupling and correct
as necessary.
- -
4
Check CL4 for proper drive coupling and correct
as necessary.
- -
5
Check the PWB-A connector for proper connec-
tion and correct as necessary.
- -
6 PC9 sensor check PWB-A PJ7A-13 (ON) 7-B ∼C
7 CL4 operation check PWB-A PJ7A-10 (ON) 7-B
8
M3 operation check PWB-A PJ27A-8 (LOCK)
PWB-A PJ27A-5 (REM)
2-I
9 Change PWB-A. - -
Relevant Electrical Parts
PH Unit Mechanical Control Board (PWB-A)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Check the cable and connector for proper con-
nection and correct as necessary.
- -
2 Change PH Unit. - -
3 Change PWB-A. - -
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