Photosensitive Drum; Removing The Drum Unit - Canon iR5000i Service Manual

7.2 Photosensitive Drum

Points to Note When Handling the Photosensitive Drum
The machine's photosensitive drum is made of high-sensitivity amorphous
silicon, and its sensitivity can start to deteriorate depending on how and
where it is placed, requiring the following:
1. Whenever the process unit is removed from the machine or the photo-
2. Do not place the process unit or the photosensitive drum in an area sub-
3. Do not place the process unit or the photosensitive drum in an area sub-
4. Do not place the process unit or the photosensitive drum in an area sub-

7.2.1 Removing the Drum Unit

1) Open the front cover, and slide out the
hopper unit.
2) Remove the process unit. (See p. 4-
54P.)
3) Remove the primary charging assembly
and the pre-transfer charging assembly.
4) Remove the potential sensor assembly.
5) Remove the potential sensor rail stay.
6) Remove the three mounting screws [1],
and detach the gear plate [2].
COPYRIGHT © 2001 CANON INC.
sensitive drum is removed from the process unit, be sure to protect the
photosensitive drum against light. Use the photosensitive drum protec-
tive sheet or wrap six or more sheets of A3 or larger paper.
ject to the direct rays of the sun.
ject to high or low temperature or humidity or where temperature or hu-
midity tend to fluctuate rapidly.
ject to dust, ammonium gas, or organic solvent/gas.
The foregoing requirements commonly apply to all photosensitive
drums.
2000 2000 2000 2000
CHAPTER 4 IMAGE FORMATION SYSTEM
[2]
[1]
CANON iR5000i/iR6000i REV.0 JUNE 2001
[1]
F04-702-01
4-51 P