Canon NP6621 Service Manual page 250

INSTALLATION
Step
9
Pull the developing locking lever
toward the front, and turn it clock-
wise to release it.
10
Remove the knob, and remove the
dummy drum from the copier.
(Keep the knob for later.)
11
Remove the screw, and remove
the developing assembly stopper.
12
Remove the stopper from the
developing assembly.
13
Remove the developing assembly,
and check that the developing
cylinder is free of scratches or dirt.
14
Install the developing assembly,
and attach the developing assem-
bly stopper with a screw.
15
Engage the developing assembly.
16
Close the copier's top unit.
5–4
Work
COPYRIGHT © 1998 CANON INC.
Remarks
Developping
Knob assembly
stopper
Dumy
drum
CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Stopper
Screw
Developping
locking lever