Heating sleeve unit
Replacement
• The heating sleeve 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 heating sleeve unit for PM or any reason other than canceling these SCs,
you can discard the fuse that is packed with the new heating sleeve unit.
1. Fusing upper cover (page 344)
2. Fusing lower cover (page 344)
3. Fusing front cover (page 345)
4. Fusing rear cover (page 346)
5. Exit guide plate (left) unit [A] ( ×2)
Fusing Unit
347
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