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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 |