Ricoh SP 8400DN Field Service Manual page 1097

4.
Remove the fusing lower cover [A].
•
You must route the harnesses for the pressure roller temperature sensor and the fusing roller temperature
sensor correctly when reassembling the fusing unit. See the notes when reassembling the fusing unit.
(Notes When Reassembling the Fusing
Heating Sleeve Belt Unit
•
Set SP3-701-116 to "1" and turn the main power OFF before replacing.
•
If you have to turn the power on again before replacing the part, execute the SP again before replacing
the part.
•
After replacing the unit, turn the main power ON.
•
To clear SC544-02 or SC554-02, replace the fusing unit or install a fuse (provided in the heating sleeve
belt unit) in the fusing unit.
•
When clearing SC544-02 or SC554-02 by installing a fuse (provided in the heating sleeve belt unit) in
the fusing unit, see
•
The new unit detection fuse packed with the heating sleeve belt unit is used to cancel SC544-02/554-02.
Discard the fuse if these SCs did not occur.
•
When replacing the heating sleeve belt unit at EM replacement, installing a fuse is not necessary. Do not
use the fuse for EM replacement.
Replacement
1.
Remove the fusing lower cover.
Unit)
To Clear SC544-02 or SC554-02.
(Fusing Lower Cover)
4.Replacement and Adjustment
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