Konica Minolta Magicolor 5440 DL - Manual (Page 204)

Main Unit Field Service Malfunction code
4-17
IV
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in
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2.4.4 0018H: Developing Motor/K malfunction
2.4.5 0046H: Fusing Cooling Fan Motor malfunction
Relevant Electrical Parts
Developing Motor/K (M5) Mechanical Control Board (PWB-A)
Low Voltage Unit (LV)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Check the M5 connector for proper connection
and correct as necessary.
- -
2
Check M5 for proper drive coupling and correct
as necessary.
- -
3
Check the PWB-A connector for proper connec-
tion and correct as necessary.
- -
4
M5 operation check PWB-A PJ33A-8 (LOCK)
PWB-A PJ33A-5 (REM)
11-C
5 Change PWB-A. - -
6 Change LV. - -
Relevant Electrical Parts
Fusing Cooling Fan Motor /1 (M11) Mechanical Control Board (PWB-A)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Check the M11 connector for proper connection
and correct as necessary.
- -
2
Check the fan for possible overload and correct
as necessary.
- -
3
M11 operation check PWB-A PJ21A-3 (LOCK)
PWB-A PJ21A-1 (ON)
2-F ∼E
4 Change PWB-A. - -
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