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168 MFP disassembly/assembly ENWW
4 Tilt the developing unit about 45 degrees
and rotate the developing gear
counterclockwise to discharge all of the
developer adhering to the inside of the
developing unit and magnet roller.
5 Supply fresh developer evenly from the
top of the developer supply screws.
6 Rotate the developing gear until the
developer enters the developing unit.
7 Repeat steps (5) and (6) to supply all of
the developer.
8 Rotate the developing gear
counterclockwise to check that the
developer bristles along the entire length
of the developing sleeve.
9 Install the developing unit cover, then
install the developing unit in the drum unit.
CAUTION After installing the
developing unit in the drum
unit, make sure the
developing unit stopper
roller is in contact with the
developing unit stopper
plate (allocation of DSD).
Cleaning the developing unit bias
shaft
CAUTION Be sure the power cord has
been unplugged from the
wall outlet.
Procedure
1 Pull out the drum unit from the MFP. See
“Drum unit” on page 152.
2 Remove the developing unit from the drum
unit.
45û
Developing gear
Developer
Developing unit stopper roller
Developing sleeve
Developing unit
stopper roller
Developin
g
g
ear