Oki Data CONFIDENTIAL44871001TH Rev.6 2-142. DESCRIPTION OF OPERATION2.4.1.4 Document detectionDocument present/absent detectionDocument present/absent detection on the document tray is performed by document setsensor (PI14). When a document is placed on th edocument tray, the detection lever movestogether with the light-shielding plate so that photo interrupter that has been passing the light,shut down the light. Thus, the document set sensor (PI14) issues the document detectionsignal (SET) telling that a document is set, to the connected equipment via the ADF board(MHD).Detection of final documentThe document set sensor (PI14) detect if the document that has started of the final documenthas passed the set sensor lever, the detection lever moves together with the light-shieldingplate so that the photo interrupter that has been shutting down the light, passes the light.Thus, the document set sensor (PI14) issues the document set detection signal (SET). Tellingthat the document under feeding is the final document, to the connected equipment via theADF board (MHD).Detection lever DocumentADF board (MHD)SETPI14Detection leverSETDocumentPI14ADF board (MHD)
