Canon iR5000 Service Manual page 549

CHAPTER 1 MAINTENANCE AND INSPECTION
3. Periodical Servicing
1. As a rule, provide periodical servicing very 250,000 prints.
2. Check with the Service Book before starting on a visit, and take parts for
which replacement is expected.
3. If you cleaned any charging wire with solvent, be sure that it has dried
completely before mounting it to the machine.
Work steps
1. Report to the person in charge: check the general condition.
2. Record the counter reading: check faulty prints.
3. Make test prints, and check the following:
1) image density against standards;
2) white background for soiling;
3) characters for clarity;
4) margin;
5) fixing, registration for displacement, and back for soiling.
Then, check the margins against standards (single-sided): for leading edge, 4.0 +1.5/-
1.0 mm; for left/right, 2.5 ±1.5 mm; for trailing edge, 2.0 ±1.5 mm.
4. Clean the charging assemblies; dry wipe with lint-free paper, and clean with alcohol:
1) charging wire (primary, pre-transfer, transfer/separation),
2) grid wire (primary charging assembly),
3) shielding plate of each charging assembly,
4) roller electrode.
1-6 T
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COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000
As of June 2000