• The fusing sleeve belt unit is designed with a highly soft material. Do not touch the sleeve belt unit with your hands to prevent dents during replacement. If you have touched it and a dent has been made, the dent will gradually become larger during operation and it can cause a fusing malfunction or sleeve belt breakage.

  • To cancel SC544-02/554-02, it is necessary to replace the fusing unit or install an intact new unit detection fuse. If you will cancel these SCs by installing a new unit detection fuse, follow the instruction at the end of this procedure.
  • If you are replacing the fusing sleeve belt unit for PM or any reason other than canceling these SCs, you can discard the fuse that is packed with the new fusing sleeve belt unit.

  1. Remove the fusing upper cover. (Fusing Upper Cover)
  2. Remove the fusing lower cover. (Fusing Lower Cover)
  3. Remove the left frame [A].
  4. Remove the exit guide plate (left) unit [A].
  5. Remove the fusing exit driven roller [A].
  6. Remove the side plate [A].
  7. Remove two screws.
  8. Release the boss caps on both sides, and then detach the fusing sleeve belt unit [A].
  9. Remove the spring, and then remove the separation plate [A] and supports [B].