BLOWN FUSE CONDITIONS 20 June 2005
4-32
4.2.2 SWITCHES
Component
(Symbol)
CN Condition Symptom
Open
“Doors/Covers Open” is displayed even if the
right lower cover is closed.
Right Lower
Cover (SW1)
216-4
(IOB)
Shorted
The LCD goes blank when the lower cover is
opened.
Open The machine does not turn on.
Main (SW3)
102-1~4
(PSU)
107-1
Shorted
The machine does not turn off.
Open
“Doors/Covers Open” is displayed even if the
front cover is closed.
Front Cover
Safety (SW4)
107-1
(PSU)
Shorted
“Doors/Covers” Open is not displayed even if the
front cover is opened.
4.3 BLOWN FUSE CONDITIONS
Rating
Fuse
115V 210 ~ 230V
Symptom at power on
Power Supply Board
FU1
6.3A / 125V 6.3A / 250V “Doors/Covers Open” is displayed
FU2
6.3A / 125V 6.3A / 250V “Doors/Covers Open” for the finisher is
displayed
FU3
6.3A / 125V 6.3A / 250V Paper end condition
FU5
6.3A / 125V 6.3A / 250V SC302, or SC403, or SC405 displayed
FU6
3.15A/125V 3.15A/250V
FU9
5A/125V 4A/250V
FU101
15A / 125V 8A/250V No response
FU102
10A / 125V 5A / 250V No response
FU103
2A / 125V 1A / 250V Normal operation (optional heaters do not work)
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