COPYRIGHT © 1999 CANON INC.
CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
13-3
CHAPTER 13 MAINTENANCE AND SERVICING
III. SCHEDULED SERVICING CHART
Caution:
1. As a rule, provide scheduled servicing every 120,000 copies.
2. Check the service book before setting out on a visit, and take replacement parts as needed.
No.
1
2
3
4
5
6
7
8
Work
Meet the person in charge.
Record the counter reading.
Make test copies.
Clean the optical assembly:
•
Reflecting plate
•
Lens
•
No. 1, 2, 3 mirrors
•
Dust-proofing glass
•
Standard white plate
Clean the transfer guide:
•
Transfer guide plate
(upper, lower)
•
Transfer charging
assembly guide rail
Clean the separation/feeding
assembly:
•
Separation static eliminator
•
Feeding belt
Clean the fixing/delivery
assembly:
•
Fixing assembly inlet guide
•
Separation claw (upper,
lower)
Provide scheduled servicing
according to the number of
copies made.
Remarks
*Standard of 2.5 ±1.0 mm.
Use a blower brush; if the dirt
is excessive, use alcohol.
Dry wipe the standard white
plate.
Be sure to remove the drum
unit before cleaning.
When replacing the drum
cartridge, clean the separation
claw (upper, lower).
Checks
Checking the conditions.
Check the faulty copies.
a. Image density
b. Background for soiling
c. Characters for clarity
d. Leading edge margin*
e. Fixing, registration, and
back (for soiling)
f. Counter operation
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