2BT
1-6-29
(3) Detaching and refitting the drum
Follow the procedure below to replace the drum.
Cautions:
• Avoid direct sunlight or strong light when detaching and fitting the drum.
• When removing the drum, spread paper underneath as there is a possibility of toner spill. Toner spill can be reduced by
inserting an approximately 20-mm thick pad under the image formation unit toward the developing section and removing
the drum with the unit slightly tilted.
• Hold the drum at the ends and never touch the drum surface.
• After removing the drum, keep it in the drum case or storage bag to protect the surface from light.
Prucedure
1. Remove the image formation unit (see page
1-6-27).
2. Remove the main charger unit (see page 1-6-
28).
3. Remove the four screw and blade spring, and
then open the cleaning unit.
• Slide the cleaning blade back and forth and
insert an approximately 4 to 4.5-mm thick
spacer between the retainer at the rear of
the cleaning unit and the housing.
Figure 1-6-47
4. Remove the screw holding the drum
grounding plate and then the plate.
5. Remove the E ring from the drum shaft.
Figure 1-6-48
Cleaning unit
Blade spring
Spacer
Drum grounding plate
E ring
