摘要 |
PROBLEM TO BE SOLVED: To feed a manually inserted paper sheet to a double surface printing mechanism by using a roller for double surface conveyance mounted for automatically fed paper sheets. SOLUTION: A printer device is provided with a printing mechanism in which a paper sheet 10c manually fed instead of automatic paper feed is fed and which effects printing on both surfaces of the paper sheet. By using a double-surface conveyance roller 7b to convey an automatically fed paper sheet, the manually inserted fed paper sheet 10c is fed in the double-surface printing mechanism. |