Drum Unit - Canon GP335 Service Manual

CHAPTER 6 IMAGE FORMATION SYSTEM
A. Drum Unit
1. Removing the Drum Unit
1) Open the front door.
2) Release the feeding assembly.
3) Release the developing assembly.
4) Remove the screw [1].
5) Pull the drum unit [2] slowly to the front.
Figure 6-400
Caution:
1. Take care not to damage he photosensitive
drum.
2. The photosensitive drum is extremely
sensitive to light. Exposure to room
light can lead to white spots or black
bands.
6-24
[ 2 ]
[ 1 ]
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
2. Cleaning
If the surface of the photosensitive drum
is soiled, wipe it with a flannel cloth coated
with toner. (Do not use paper, lint-free or
otherwise.)
Caution:
Do not dry wipe, or do not use solvent.
Do not use cleaning powder.
3. When Replacing the Drum Unit
When replacing the drum unit, fill out the
label (figure 6-401) with the date and the
counter reading; attach the label to the front
cover of the new drum unit, and perform the
Image Adjustment Basic Procedure.
date Datum compteur.
Figure 6-401
After replacing the drum unit, be sure to
clean the fixing separation claws (upper,
lower).
Zahler note Notiz