17: Rack Rotation Failure; 18: Heating Roller Warm-Up Failure; 19: Abnormally Low Heating Roller Temperature; Abnormally High Heating Roller Temperature - Konica Minolta magicolor 2400W Service Manual

Field Service Ver. 4.0 Feb. 2006
17.3.11

17: Rack rotation failure

Rack Motor (M2)
Rack Positioning Sensor (PC3)
Step
Check the M2 connector for proper connection
1
and correct as necessary.
Check M2 for proper drive coupling and correct
2
as necessary.
Check the PWB-A connector for proper connec-
3
tion and correct as necessary.
4 PC3 sensor check.
5 M2 operation check.
6 Change PWB-A.
17.3.12

18: Heating Roller warm-up failure

17.3.13

19: Abnormally low Heating Roller temperature

17.3.14 1A: Abnormally high Heating Roller temperature
17.3.15 1B: Faulty Thermistor
Fusing Unit
Step
Check the Fusing Unit for correct installation
1
(whether it is secured in position).
Check the Fusing Unit, PU, and PWB-A for
2
proper connection and correct as necessary.
Check the lever of the Safety Switch and correct
3
as necessary.
4 Change the Fusing Unit.
5 Change PWB-A.
6 Change PU.
Relevant Electrical Parts
Mechanical Control Board (PWB-A)
Action
Relevant Electrical Parts
Mechanical Control Board (PWB-A)
Power Unit (PU)
Action
17. Error Codes
WIRING DIAGRAM
Control Signal
-
-
-
PWB-A PJ5A-11 (ON)
PWB-A PJ5A-1∼4
(Pulse Output)
-
WIRING DIAGRAM
Control Signal
-
-
-
-
-
-
Location
(Electrical
Component)
-
-
-
4-C
4-B
-
Location
(Electrical
Component)
-
-
-
-
-
-
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