Procedure 1: Operation check for the lower side of the shield detection feeler

  1. Place the fusing unit on a flat place and tilt it towards the drawer connector [A].
  2. Move the shield drive gear [A] with your hands to put the upper surface of the feeler [B] in a horizontal position.



  3. Take your hands away from the shield drive gear.
  4. Make sure that the shield detection feeler [A] moves down to the lowest point by its own weight.

    • The feeler moves smoothly: OK
    • The feeler does not move, stops during moving, or moves slowly: NG

Procedure 2: Operation check for the upper side of the shield detection feeler

  1. Place the fusing unit on a flat place with the drawer connector [A] turned up.
  2. Move the shield drive gear with your hands to put the upper surface of the feeler [A] in a vertical position.
  3. Take your hands away from the shield drive gear.
  4. Make sure that the shield detection feeler [A] moves up to the highest point by its own weight.

    • The feeler moves smoothly: OK
    • The feeler does not move, stops during moving, or moves slowly: NG

Results

  • Both Procedure 1 and 2 are OK: No problem.
  • Either Procedure 1 or 2 is NG: The mechanism is blocked.