CHAPTER 2 OUTLINE OF OPERATIONCOPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-H1 REV.0 MAR. 20012-182.3.3 Detecting whether the document being fed is the last document or notThe end-of-document sensor (PI5) detects whether the document being picked up is thelast document in the document tray or not.When the last document is picked up and the trailing sheet of the document passes the lastdocument detection lever in the document tray, the detection lever works in synchronizationwith the shading plate to cover the photointerrupter. This allows the end-of-document sen-sor (PI5) to generate a last document detection signal (ENDS), notifying the host that thepaper being picked up is the last document in the document tray.F02-203-01bADF controller PCBDocumentDetection leverPI5ENDS
