3 fusing heaters do not operate, Fusing heaters do not operate -28 – Konica Minolta Magicolor 5440 DL User Manual
Page 215
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Power Supply Troubles
Main Unit Field Service
4-28
IV
T
roub
lshoo
t
in
g
3.3
Fusing Heaters do not Operate
Relevant Electrical Parts
Safety Switch/Fr (S2)
Safety Switch/Rt (S3)
Fusing Unit
Low Voltage Unit (LV)
Step
Check Item
Location
(Electrical
Component)
Result
Action
1
Is the power source voltage being applied to
CN1LV on LV?
The Right Door should in closed position at
this time.
12-L
NO
Check wiring from
power outlet to PG1 to
CN1LV.
2
Is the power source voltage being applied to
CN4 or CN5?
3-D
YES
Change Fusing Unit.
NO
Change LV.
5450_E.book_PDF.book 28 ページ 2005年4月12日 火曜日 午後12時54分
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