• When the paper transfer bias roller is near the end of its service life, the machine will display an alert on the operation panel to prompt the operator to call for service and request replacement of the bias roller.

  1. Remove the ITB unit (ITB Unit Removal)
  2. Remove the transfer belt (Belt Removal)
  3. The paper transfer bias roller is at the bottom left side of the ITB unit. (The photo shows the ITB bottom side up.)
  4. At the front, disconnect the cap (x2).
  5. At the rear, disconnect the cap and the terminal contact (x1).

  6. Disconnect the roller [A] and the terminal contact [B] (x2).

    • To prevent poor image quality, never touch the surface of the transfer roller with bare hands.

  7. Remove the roller. Avoid touching the surface of the roller with bare hands.
  8. After replacement, go into the SP mode, open SP2324-002, and then reset the ITB exchange flag to zero by touching "EXECUTE". This releases the alert on the operation panel.
  9. Exit the SP mode, and then cycle the machine off/on.
  10. Go into the SP mode, open SP2324-001 and confirm that it is reset to zero.