Chapter 55-10F-5-155.3.4.2 Outline of Size Identification 0006-6792iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /-In Bk Mode1 original (A4R), copyboard cover (copyboard cover/ADF) is closed1. Standby Stateoriginal sensor: offF-5-162. The copyboard cover is opened (with cover angle at 25 deg or more).original sensor: offF-5-173. The copyboard cover is closed (with cover angle at 25 deg).original sensor: on (original size identification processing 1)B5A4RA4STMT-RLTR-RLTR 11" 17"LGLB5RIndex plateOriginal sensor 3Index plateB4A3AB-ConfigurationInch-ConfigurationOriginal sensor 5Butting positionButting positionMain scanning direction Main scanning directionSub scanning directionSub scanning directionOriginal sensor 1Original sensor 2Original sensor 4Original sensor 3Original sensor 1Reader unitCopyboard overOriginal sensor 3Copyboard glassOriginal sensor 4Original sensor 2Original sensor 1Original sensor 3Original sensor 4Original sensor 2Original sensor 1