Scheduled Servicing - Canon NP6085 Service Manual

6. MAINTENANCE AND INSPECTION
III. SCHEDULED SERVICING
Note:
1. As a rule, provide scheduled servicing every 250,000 copies.
2. Check the service record before setting out on a visit, and take parts if replacement is expected.
No. Work
1 Meet the person in charge.
2 Record the counter reading.
3 Make test copies.
4 Clean the optical path
• Scanning lamp reflecting plate
• Scanning side reflecting plate
• Lens, mirror
• Dust-proofing glass
• Standard white plate
• Heat absorption glass
5 Clean/replace the charging assembly.
• Charging wire, charging assembly
• Grid wire
• Shielding plate
• Roller electrode
6 Clean the transfer guide:
• Transfer guide plate (upper, lower)
• Transfer/separation charging
assembly guide rail
7 Clean the separation/feeding assembly:
• Feeding belt
6-4
COPYRIGHT © 1996 CANON INC.
Checks
Check the general conditions.
Check faulty copies.
Check the following:
a..Image density
b..White background
(for soiling)
c..Character clarity
d..Leading edge margin
e..Fixing, registration, back
(for soiling)
f..Counter operation
CANON NP6085 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
Remarks
Standard: 5.5 to 3.0 mm
Use a blower brush; if dirt
cannot be removed, use
alcohol.
Dry wipe the part.
Dry wipe with lint-free paper;
then, clean with alcohol.