BLOWN FUSE CONDITIONS 19 January, 2001
4-18
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 4A / 250V Paper end condition
FU4
6.3A / 125V 6.3A / 250V SC121 is displayed
FU5
6.3A / 125V 6.3A / 250V SC302, or SC403, or SC405 displayed
FU101
15A / 125V --- No response
FU102
10A / 125V 5A / 250V No response
FU103
2A / 125V 1A / 250V Normal operation (optional heaters do not work)
4.4 LEDS
BICU
Number Monitored Signal
LED101
Monitors whether the program is working normally or not. The LED blinks
in normal conditions.
LED102 Flashes during program downloading.
4.5 TEST POINTS
Controller Board
Number Monitored Signal
TP1 +2.5V
TP2 +3.3V
TP3-9 Ground
TP10 Data Strobe
TP11 Busy
TP12 Acknowledge
TP13 DB0TXD
TP14 +15V
TP15 GND
TP16 DB0RXD
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