Blown Fuse Conditions
D129/D130 6-76 SM
6.3 BLOWN FUSE CONDITIONS
Use a correct rating fuse for the fuse replacement. Never use a wrong rating fuse. If do
so, the machine may be damaged.
Fuse
Rating
Symptom at power on
115V 210 to 230V
Power Supply Board
FU21 6.3A / 250V 6.3A / 250V SC 533 (Power to IOB)
FU22 6.3A / 250V 6.3A / 250V SC 144-02 (Power to SIO)
FU23 10A / 250V 10A / 250V
"Open Cover" is displayed.
(Power to Interlock Switch)
FU24 10A / 250V 10A / 250V
"Open Cover" is displayed.
(Power to Interlock Switch)
FU25 6.3A / 250V 6.3A / 250V
Alert LED turns on and operation panel does
not turn on. (Power to MB)
FU26 6.3A / 250V 6.3A / 250V
Stack paper in the optional paper feed unit or
LCT is not detected. SC 503 is issued after
opening and closing the tray 3 or 4. (Power
to optional PFU or LCT)
FU27 6.3A / 250V 6.3 A/ 250V
The machine does not detect a finisher.
(Power to optional Finisher)
FU101 15A / 250V 8A / 250V No response
FU102 12A / 250V 4A / 250V No response
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