Konica Minolta Magicolor 5440 DL - Manual (Page 208)

Main Unit Field Service Malfunction code
4-21
IV
T
roub
lshoo
t
in
g
2.4.12 0310H: Laser malfunction
2.4.13 0500H: Heating Roller warm-up failure
2.4.14 0501H: Fusing Pressure Roller warm-up failure
2.4.15 0510H: Abnormally low Heating Roller temperature
2.4.16 0511H: Abnormally low Fusing Pressure Roller temperature
2.4.17 0520H: Abnormally high Heating Roller temperature
2.4.18 0521H: Abnormally high Fusing Pressure Roller temperature
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. - -
Relevant Electrical Parts
Fusing Unit Mechanical Control Board (PWB-A)
Low Voltage Unit (LV)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1
Check the Fusing Unit for correct installation
(whether it is secured in position).
- -
2
Check the Fusing Unit, LV, and PWB-A for proper
connection and correct as necessary.
- -
3 Change Fusing Unit. - -
4 Change PWB-A. - -
5 Change LV. - -
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