7 MAINTENANCE7.1. Maintenance ChartC: Clean R: Replace (×1000 sheets)Description Reference of Part No. 20 40 60 80 - 260 280 300Paper Feed Roller Ref. No. 52 in Sec.14.3 C C C Clean each part every 20 (× 1000)sheets’ scanning.C RSeparation Roller Ref. No. 45 in Sec.14.3 C C C C RRetard Roller Ref. No. 16 in Sec.14.1 C C C C RDrive Roller 1 Ref. No. 36 in Sec.14.2 C C C C CDrive Roller 2 Ref. No. 36 in Sec.14.2 C C C C CDrive Roller 3 Ref. No. 36 in Sec.14.2 C C C C CExit Roller Ref. No. 36 in Sec.14.2 C C C C CCIS For front side Ref. No. 26 in Sec.14.3 C C C C CFor back side Ref. No. 53 in Sec.14.2 C C C C CSensor Roller For front side Ref. No. 72 in Sec.14.2 C C C C CFor back side Ref. No. 33 in Sec.14.3 C C C C CFree Roller Ref. No. 32 in Sec.14.1 C C C C CRef. No. 18 in Sec.14.3Paper Detector Ref. No. 22 in Sec.14.1 C C C C CWaiting Sensor Ref. No. 1 in Sec.14.3 C C C C CStarting Position Sensor Ref. No. 7 in Sec.14.3 C C C C CEnding Sensor Ref. No. 37 in Sec.14.2 C C C C CReflector Sheet for Waiting Position Sensor Ref. No. 63 in Sec.14.2 C C C C CReflector Sheet for Starting Position Sensor Ref. No. 63 in Sec.14.2 C C C C CReflector Sheet for Ending Sensor Ref. No. 35 in Sec.14.1 C C C C CNote· The above values for each maintenance item are registered in the maintenance counter (Refer to Sec. 9), and thePC will inform users the cleaning or replacing timing if the utility software in this scanner has been alreadyinstalled.· The maintenance schedule was determined according to paper standards (A4 or Letter, 16lb copier paper), whichcan vary greatly between users. Therefore, the values can also vary.7.2. CleaningWhen cleaning rollers and CIS Sec. 7.2.1. mentions, the accessory Roller Cleaning Paper or Model KV-SS03 (Option: RollerCleaning Paper) is needed.Note1. Roller Cleaning Paper· Open the bag by the dotted line and take out the Roller Cleaning Paper.· If the opened bag is left open for a long period of time before using it, the alcohol will evaporate. Please use theRoller Cleaning Paper immediately after opening the bag.· The Roller Cleaning Paper (Model No. KV-SS03) is available via sales route.2. When ADF Door does not open even if ADF Door Release is pushed repeatedly, there is possibility that the doordoes not close enough. In this case, try to close the ADF Door until it clicks into place.17KV-S2025C Series / KV-SU225C Series / KV-S2045C Series / KV-SU245C Series