Replacing The Developer - Konica Minolta 7020 Service Manual

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DEVELOPING UNIT
[3]

Replacing the Developer

Caution 1: When carrying out replacement, take
care to prevent dirt and debris from
entering the system.
Caution 2: After installing new developer, do not
turn the developer-input gear or
agitator input gear in the clockwise
(reverse) direction.
Caution 3: After replacing developer, carry out L
detection adjustment before making
copies.
a. Procedure
(1) Remove the developing unit from the main body.
(2) Remove the 2 set screws holding the developing
cover in place.
Set screw
Caution : The 2 set screws of the developing
3
cover are used only in an old type
machines (7020/25/30/35).
Agitator input gear
Developing input gear
Developing cover
3-G-2
(3) Release the hooks. Lift the developing cover, and
remove it.
Developing cover
(4) Tilt the developing unit so that the agitator screws
are toward the bottom, and rotate the agitator input
gear counterclockwise as necessary to discharge
all developer from within the developing unit and
from the developing sleeve.
(5) Wipe away any toner remaining on the developing
regulator plate.
Agitator screws
Developing
regulator plate
(6) Pour new developer evenly over the agitator screws.
Hook