SC400

TM sensor error

The CPU detected a low voltage of the positive reflection output under the threshold in the TM sensor.

  • TM sensors are dirty.
  • A solid print out due to an electrostatic charging error
  • The TM sensor is defective.
  1. Clean the TM sensors.
  2. Replace the TM sensors.
  3. Check the image transfer unit.
  4. Turn the power Off and On.

SC445

ITB (Image Transfer Belt) Unit: Home Position Error

The ITB contact sensor does not detect the home position of the ITB for 5 seconds after the ITB unit initialization has been done.

ITB (Image Transfer Belt) Unit: Contact Position Error

The ITB contact sensor does not detect the contact position of the ITB for 5 seconds after the ITB unit has moved to the contact position.

ITB (Image Transfer Belt) Unit: No-contact Position Error

The ITB contact sensor does not detect the home position of the ITB for 5 seconds after the ITB unit has moved to no-contact position.

  • Defective ITB contact motor
  • Defective ITB contact sensor
  • Defective ITB unit
    1. Replace the ITB contact motor.
    2. Replace the ITB contact sensor.
    3. Replace the ITB unit.

SC480

Agitator Motor Error

The agitator motor error is detected twice for 10 msec during the initialization at power-on or after the cover is closed.

  • Disconnected or defective harness
  • Defective agitator motor
    1. Check or replace the harness.
    2. Replace the agitator motor.

SC490

ITB (Image Transfer Belt) Unit Set Error

The TM sensor does not detect the reflection from the ITB.

  • No ITB unit in the machine
  • Dirty TM sensor
    1. Check the installation of the ITB unit.
    2. Clean the TM sensor.