COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000CHAPTER 1 MAINTENANCE AND INSPECTION1-9 T4. Periodical Servicing ChartDo not use solvents or oils other than those indicated.4.1 Reader Unit: Clean : Replace × : Lubricate : Adjust : InspectIntervalsUnit Part Upon every every every every Remarksinstallation 250,000 500,000 750,000 1,000,000Scanner Scanner cable Only at fist250,000(inpection/adjustment).Optical Scanner rail × Silicone oilpath (FY9-6011)CopyboardglassNo. 1 throughNo. 3 mirrorsScannerreflecting plate4.2 Printer Unit: Clean : Replace × : Lubricate : Adjust : InspectIntervalsUnit Part Upon every every every every Remarksinstallation 250,000 500,000 750,000 1,000,000Externals/ Ozone filtercontrols (FM3)Dust-proofing Remove dustfilter (FM2) from surface.Laser Dust-proofoptical path glassCharging Charging wire After replace-assembly (primary, pre- ment, executetransfer, trans- wire cleaningfer/separation) 5 times.