BLOWN FUSE CONDITIONS
SM 4-29 G104
Trouble-
shooting
4.5 BLOWN FUSE CONDITIONS
Power supply unit
Rating
Fuse
115V 220V-240V
Symptom when turning on the main
switch
FU1 15A/125V 8A/250V No response.
FU2 8A/125V 4A/250V No response.
FU3 1A/250V 1A/250V Tray Heater does not turn on.
FU4 4A/250V 4A/250V No display.
FU5 6.3A/250V 6.3A/250V SC270 is displayed.
FU6 6.3A/250V 6.3A/250V SC270 is displayed.
IOB
Fuse Rating Symptom when turning on the main switch
FU897 3.15A Optional Paper Tray Unit dose not work.
FU898 2.0A Toners are not supplied.
FU899 1.6A SC270 is displayed.
4.6 LEDS
No LEDs are used for this model (except for the Network Interface).
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