Scheduled Servicing Chart - Canon GP605 Service Manual

CHAPTER 12 MAINTENANCE AND SERVICING
III . SCHEDULED SERVICING CHART
Caution:
1. As a rule, provide scheduled servicing every 250,000 copies.
2. Before setting out for a visit, check the Service Book, and take any parts expected to
require replacement.
3. Clean each charging wire with alcohol; then, mount it back only after making sure that it
has dried.
No.
1 Report to the person in charge.
2 Record the counter reading.
3 Make test copies.
4 Clean the charging assemblies:
• charging wire (primary, pre-transfer,
transfer/separation)
• grid wire (primary charging
assembly)
• shielding plate
• roll electrode
Points to Note When Cleaning/Replacing the Charging Wires and
Replacing the Charging Wire Cleaner
Check to make sure that the charging wire is at the center of the cleaner at the end of the
following work; otherwise, image faults may occur:
a. Cleaning the charging wire.
b. Replacing the charging wire.
c. Moving the charging cleaner by hand.
d. Replacing the charging wire cleaner.
12-6
COPYRIGHT © 1999 CANON INC.
Work
Good example
Table 12-301-1
Checks
Check the general conditions.
Check the faulty copies.
Check the following:
a. image density
b. background for soiling
c. characters for clarity
d. leading edge margin
e. fixing, registration, and
back for dirt
CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
As of November 1998
Remarks
Standards (single-sided
copying)
Leading edge: 4.0+1.5,
-1.0mm
Left/right: 2.5 ±1.5mm
Trailing edge:
2.5±1.5mm
Dry wipe with lint-free
paper; then, clean with
alcohol.
Bad example