METHOD OF COMPUTING STACKED QUANTITY OF SHEET MATERIAL AND METHOD OF COMPUTING SUPPLY QUANTITY OF SHEET MATERIAL IN PAPER FEEDING DEVICE, AND PAPER FEEDING DEVICE

摘要

PROBLEM TO BE SOLVED: To improve convenience for a user when supplying sheet materials.;SOLUTION: Stacked quantity and supply quantity of the sheet material P stacked on a stacking tray 110 at present are computed based on the elevation time of the stacking tray 110 from a reference position till the top surface of the sheet materials P stacked on the stacking tray 110 at present reaches the reference position and the number of sheets of the sheet material P corresponding to the elevation quantity per a unit time.;COPYRIGHT: (C)2008,JPO&INPIT