Detaching And Refitting The Developing Unit Upper Seal; Adjusting The Position Of The Magnetic Brush (Developing Roller) (Reference) - Kyocera Mita KM-4530 Service Manual

2BC/D-1

(2) Detaching and refitting the developing unit upper seal

Follow the procedure below to clean or replace the developing unit upper seal.
Procedure
1. Remove the developing unit (see page 1-6-
44).
2. Remove the two screws holding the
developing unit upper seal and then the seal.
3. Clean or replace the developing unit upper
seal and refit all the removed parts.
* When attaching the developing unit upper
seal, fit both ends of the seal (round portions)
into the grooves of the developer housing.

(3) Adjusting the position of the magnetic brush (developing roller) (reference)

Perform the following adjustment if the image is abnormally dark or light.
• Before starting this adjustment, the correct amount of developer is present.
Procedure
1. Remove the developing unit (see page 1-6-
44).
2. Loosen the hexagonal socket head screw on
the front of developing sleeve using a
hexagonal wrench.
3. Turn the developing roller shaft using a
straight screwdriver and referring to a scale
until the distance between the top of the
magnetic brush and the outside of the
developing unit housing is 15 mm (reference).
4. Tighten the hexagonal socket head screw to
secure the developing roller shaft.
5. Refit all the removed parts.
6. After adjustment, make a test copy to check
for performance.
Magnetic brush
1-6-46
Developing unit upper seal
Hexagonal socket
head screw
A: 15 mm
A
A
Figure 1-6-83
Developing roller shaft
Figure 1-6-84