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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background image

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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