Muratec MFX-2550 Field Engineering Manual page 218

1E: Drum Cartridge Fuse Error
Causes:
The machine could not blow the fuse.
Suggested corrective action:
1. Verify the drum cartridge is set correctly.
2. Check the point of contacts between drum cartridge and Connect A PCB (P86).
3. Check the contact between Connect A PCB (P80C) and the main board.
4. Replace the drum cartridge.
5. Replace the Connect A PCB.
6. Replace the main control PCB.
47: Developer Cartridge Fuse Error
Causes:
The machine could not blow the fuse.
Suggested corrective action:
1. Verify the toner cartridge is set correctly.
2. Check the point of contacts between toner cartridge and Connect A PCB (P86).
3. Check the contact between Connect A PCB (P80C) and the main board.
4. Replace the toner cartridge.
5. Replace the Connect A PCB.
6. Replace the main control PCB.
50: Shift Sensor Error
Causes:
(The number indicates the detailed error code).
0 The shift sensor does not switch on at warm-up or after 40ms has passed since the shifter has
returned to its position.
1 The shift sensor does not switch off after 40ms has passed since the shifter has moved to its shift
position.
Suggested corrective action:
1. Verify that the sensor is working.
2. Check the connection between the sensor and the main LPH board.
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