III. SCHEDULED SERVICING1. Provide scheduled servicing every 250,000 copies.2. Check the service record before leaving the office, and take replacement partsas necessary.3. If you have cleaned charging wires, check to make sure that they are completelydry before installing them.COPYRIGHT © 1997 CANON INC. CANON NP6045 REV. 1 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 9 MAINTENANCE AND SERVICING9-4Caution:No.123456WorkMeet the person in charge.Record the counter reading.Make test copies.Clean the following:• Grid wire• Shield plate• Roller electrodeClean the optical path assembly:• Reflecting plate for originalexposure• Side reflecting plate for originalexposure• Lens• No. 1, 2, 3, 4, 5, 6 mirrors• Dust-proofing glass• Pre-exposure lamp plastic sheet• Standard white plate• Heat absorbing glassCheck the waste toner case.ChecksCheck the generalconditions.Check faulty copies.Check the following:a. Image densityb. Background of copies(for soiling)c. Clarity of charactersd. Leading edge margine. Fixing, registration(displacement), backof copiesf. Counter operationIf the case is more thanhalf full, dispose of thewaste toner in a plasticbag. Or, replace thewaste toner case.RemarksStandards: 4.0±1.5 mm (Direct)Dry wipe with lint-free paper; then,use alcohol toclean.Use a blowerbrush. If the dirtcannot be removed,use alcohol.Moist clothDry wipe.
