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Confidential
■ Error code 74 (This error can be found out only in “Function code 82”.)
The color toner reached the end of life during printing.
<User Check>
- Replace the toner cartridge which reached the end of life with a new one.
■ Error code 75
Cooling down the inside of the printer to protect it.
<User Check>
- Leave the printer for a while as the power remains ON.
Replace Toner
Open the Front Cover, replace Toner Cartridge. Cyan (C)
Replace Toner
Open the Front Cover, replace Toner Cartridge. Magenta (M)
Replace Toner
Open the Front Cover, replace Toner Cartridge. Yellow (Y)
Replace Toner
Open the Front Cover, replace Toner Cartridge. Black (K)
Step Cause Remedy
1 Toner/New sensor PCB ASSY
failure (Toner empty)
Check the sensor performance following
the procedure described in “Function code
32”. If any problem occurs, replace the
Toner/New sensor PCB ASSY.
2 Engine PCB failure Replace the engine PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Cooling Down
Wait for a while
Step Cause Remedy
1 Internal temperature sensor
failure
Replace the internal temperature sensor.
2 Main PCB failure Replace the main PCB ASSY.
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