DEVELOPING UNIT
3-G-2
3 DIS./ASSEMBLY
[3] Replacing the Developer
Caution1: When replacing the developer in the
developing unit, take care not to
allow dirt to get into it.
Caution2: To rotate the developing sleeve,
rotate the developing gear counter-
clockwise.
Caution3: Never rotate the developing gear
clockwise.
Caution4: When installing a new developer, be
sure to enter mode 25 and select
"Copy Count by Parts to be
Replaced" to reset developer
counter.
a. Procedure
(1) Draw out the drum unit from the main body. (See
"DRUM UNIT.")
(2) Remove the developing unit from the drum unit.
(3) Release the hook of the developing unit cover
and remove it upward.
(4) Tilt the developing unit about 45
°
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
agitator 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.
4
Developing gear
Developing unit cover
Hooks
Hooks
(Same as
on the
opposite
side)
45Ëš
Developing gear
Developer
Developing unit stopper roller
MODEL MANUAL REVISED EDITION DATE PAGE METHOD
SERVICE MANUAL Dec. 2003
7155/7165/7255/7272
3-G-2 REPLACEMENT
4
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