Sharp MX-4100N Service Manual page 327

11) Remove the DV side seal F/R.
Maintenance: Replace at every 100K (color) or every 150K
(monochrome).
* When attaching, use alcohol to remove oil from the attached
surface, and fit with the reference so that the DV side seals
F and R are inserted between the DV cover R (A) and the
DV blade (B).
0 0.3mm
0 0.3mm
A
12) Insert the new developer.
Maintenance: Replace at every 100K (color) or every 150K
(monochrome).
0 0.5mm
0.3mm
0
B
MX-5001N MAINTENANCE 8 – 12
NOTE: When replacing developer, use extreme care not to drop
developer on the drive section (marked with
NOTE: After supplying developer, do not tilt the development unit.
).