https://catalog.data.gov/dataset/patent-at-e400440-t1-translated-image-forming-device-having-a-multiple-sheet-cassettes-ima
U.S. Department of Health & Human Services - Patent AT-E400440-T1: [Translated] IMAGE FORMING...
An image forming apparatus including: an image forming unit; plural trays; a sheet feed unit that feeds a sheet held in one of the trays; a correspondence...
department of health human