COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR105 REV.0 JULY 2001CHAPTER 5 MAINTENANCE AND INSPECTION5-83 Scheduled Service Chart1. As a rule, provide scheduled service every 500,000 copies.2. Check the Service Book before setting out for a visit, and take parts ex-pected to require replacement.3. If you have cleaned a charging wire with alcohol, check to be sure thatthe solvent has dried before mounting it back to the machine.4. If the power plug is left connected for a long time in an area subject toexcessive dust, humidity, or smoke (containing oil vapor), an insulationfault and, ultimately, a fire can occur (owing to the build-up of moistdust.)Be sure to disconnect the power plug on a periodical basis, and wipe thearea and the power plug clean with a dry cloth.As of May 2001T05-300-01No. Work1 Meet the person in charge.2 Record the counter readings.3 Make test copies.4 Clean the charging assemblies:• Charging wire (primary, pre-transfer, transfer/separation)• Grid wire (primary chargingassembly)• Shielding plate (charging as-sembly)• Roller electrodeChecksCheck the general condition.Check the faulty copies.a. Image densityb. Soiled backgroundc. Character clarityd. Leading edge margine. Fixing, displaced registra-tion, soiled backRemarksStandards (single-sided)Leading edge: 4.0+1.5, -1.0 mmLeft/right: 2.5±1.5 mmTrailing edge: 2.5±1.5 mmDry wipe with lint-free pa-per, and clean with alcohol.
