1. Open the front door and pull out the staple unit.

  2. Remove the rear cover.

  3. Remove the main board bracket and all connectors (x 8). (Main Board, Pre-Stack Paper Sensor)

  4. Remove the screw [A] and tension spring [B] for the tension bracket [C], and release the tension of the timing belt. Then remove the pulley [D] and bearing [E].

  5. Remove the inner cover [F]. (x 1)

  6. Open the guide [G], then remove the alignment brush roller assembly [H].

  7. Remove the alignment brush roller [I]. ( x2, Bearing x 1 front/back, x1).