Canon Canon Plain Paper Copier, NP6621 B. Primary Charging Assem-

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COPYRIGHT © 1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
MECHANICAL SYSTEM
B. Primary Charging Assem-
bly
1. Removing the Primary Charging Unit
1) Remove the drum unit from the body.
2) Slide the locks q found on the top of the drum
unit in the direction of the arrows.
Figure 4-503
3) While rotating the primary charging unit w in
the direction of the arrow, remove it together
with its holder.
Figure 4-504
5 6
4 5
1
1
2
2. Cleaning the Cleaning Pad and the
Primary Charging Roller
1) Remove the primary charging assembly unit.
2) As in Figure 4-505, place the primary charging
assembly, and clean the cleaning pad e with a
cotton swab r or folded lint-free paper.
Caution:
• Dry-wipe only. Do not use water, alcohol,
solvent, or any alcohol- or solvent-related
agents.
• When dry-wiping, use strokes in one direction
only.
Figure 4-505
3) Then, clean the primary charging roller t with
lint-free paper y while rotating the roller.
Caution:
• Dry-wipe only. Do not use water, alcohol,
solvent, or any alcohol- or solvent-related
agents.
• When dry-wiping, move in one direction only.
Figure 4-506