These elements are attached to the same harness and must be removed together:

Pressure roller thermistor

Pressure roller NC sensor

  1. Disconnect both ends of the side plate (x2).

    • When re-installing this plate, the screw must be attached at the center hole [B]. This hole is the default position.
    • The other off-set holes are used to adjust the height of the plate.

  2. Remove the side plate.
  3. At the front, disconnect the pressure roller thermistor [A] (x1, x1).
  4. Pull the thermistor and its harness [A] through the frame.
  5. Remove the cover [A] (x1).
  6. Disconnect the pressure roller NC sensor [B] (x1).
  7. Disconnect the harness cover [A], and then free the harnesses [B] (x1).
  8. Pull the NC sensor and thermistor away from the side of the unit.
  9. At the rear, remove the bottom plate [A] (x1).
  10. Disconnect the rear connector bracket [A] (x2).
  11. Pull the connector bracket [A] partially away from the unit.
  12. At the rear corner, free the harnesses (x2).
  13. Disconnect ground wire [A] (x1).
  14. Remove screw [B] (x1).
  15. Separate the connector and bracket at [A] and [B] (x2).
  16. Disconnect the harness [A] (x1).
  17. Pull the disconnected harness through the frame [B].
  18. Lay the harness on a flat clean surface.

Re-Installing the Pressure Roller Thermistor

  1. When you re-install the pressure roller thermistor, leave some slack in the harnesses [A].
  2. Make sure that the harnesses are not touching the bracket [B].

If these cables are damaged, the machine will issue SC558. Check these cables if SC558 occurs frequently.