A method to detect the thickness of a document
Original Publication Date: 2003-Mar-20
Included in the Prior Art Database: 2003-Mar-20
Disclosed is a method to detect the thickness of a sheet of paper or that of a passbook, by using a sensor on the shutter of a printer. The printer detects the thickness of the sheet of paper by measuring the displacement of the feed roller while the printer is moving the shutter up to open.