| 摘要 |
PURPOSE:To provide a reversal paper sheet feed unit allowing both-side printing whenever necessary, even with a printer for one-side printing. CONSTITUTION:This reversal paper sheet feed unit 50 is equipped with an open/close valve 52 for guiding a paper sheet printed and copied on one side at a printing section 34 to the unit 50 itself, switchback rollers 54a and 56a, and carrying rollers 58a and 59b for carrying the sheet guided through the valve 52 back to the printing section 34, and a drive motor for actuating the valve 52, the switchback rollers 54a and 56a, and the carrying rollers 58a and 59a. |
