Chapter 44-12The original size is identified by the combination of presence and absence of output levels of the reflection type sensors as summarized in the tables below.- Absence of paper: The light reflected from the reflection type sensor changes when the copyboard cover is open/close.- Presence of paper: The light reflected from the reflection type sensor does not change when the copyboard cover is open/close.This machine is provided with the following sensors. Locations of the sensors are shown below.- Vertical scan direction: Reflection type photo sensors (2 locations for AB; 1 location for Inch)- Horizontal scan direction: Reflection type photo sensors (2 locations for AB; 2 locations for Inch)F-4-194.3.4.2 Outline of Original Size Detection 0017-2634iR2022i / iR2025 / iR2030 / iR2022- In the BOOK modeOne sheet of original (A4R) is set and the copyboard cover (or ADF ) is closed.1) Standby stateOriginal sensor: Turns off.F-4-20B5A4RA4STMT-RLTR-RLTR 11" 17"LGLB5RIndex plateOriginal sensor 3B4A3AB-ConfigrationInch-ConfigrationOriginal sensor 5Upper left cornerof originalUpper left cornerof originalVertical scan direction Vertical scan directionHorizontal scan directionHorizontal scan directionOriginal sensor 1Original sensor 2Original sensor 4Original sensor 3Original sensor 1Reader unitCopyboard coverOriginal sensor 3Copyboard glassOriginal sensor 4Original sensor 2Original sensor 1
