*1: a) Do not use SP 3-701-014 to reset the fusing unit counter manually when doing the above reset
procedure for SC554-00. b) Do not open the door when doing the procedure in this flow chart (“SC
reset failure” will be shown.). The SC reset will be successful if the fuse for new fusing unit detection is
blown if the machine door is open during the SC reset, and it will not be successful if it is not blown. The
SC reset should be performed again if it fails.
“SC reset failure” will be shown when this SP (SP5-810-002) is executed if an SC other than SC554-00
occurred.
*2: If there is no fuse for new unit detection (such as in the fusing unit that comes with the machine from
the factory), install a fuse.
• Never use a damaged fusing unit.
• Inspect the entire fusing unit carefully if you will continue to use this unit.
New Fusing Unit Detection Fuse Replacement and Installation
The new fusing unit detection fuse should be replaced (or installed, such as in the fusing unit that comes
with the machine from the factory) if you continue to use the fusing unit. The fuse replacement and
installation procedure is as follows.
1. Fusing upper cover ( p.245).
2. Fusing lower cover ( p.245)
4. Replacement and Adjustment
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