Corona System - Canon NP6317 Service Manual

CHAPTER 4 IMAGE INFOMATION SYSTEM
B.

Corona System

1. Drum Unit
a. Detaching the Drum Unit
1) Open the front door.
2) Release the feeder assembly, and remove
the screw.
3) Turn the developing assembly release le-
ver counterclockwise.
4) Pull out the drum unit to the front care-
fully.
Note:
Take care not to damage the drum.
Note:
The photosensitive drum is susceptible
to light; exposure to even room light can
lead to white spots or black lines on the
copies.
As a rule, do not switch the copier ON
with the drum unit detached.
Note:
Do not press the COPY START key.
4-20
COPYRIGHT © 1999 CANON INC.
[4]
[1]
[1] Drum unit
[2] Developing assembly
[3] Developing assembly release lever
[4] Screw
Figure 4-802
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
[3]
[2]