| 摘要 |
A two-sided receipt printing method that prints on both sides of paper and produces receipts, and can reduce white space at the leading end of receipts without conveying the paper in reverse. A device that produces two-sided receipts has a cutter, a first printhead that prints on one side of the paper, and a second printhead that prints on the other side of the paper disposed at specific intervals along the paper conveyance path from the paper exit. When an end-of-transaction declaration is received, transaction information is printed by the second printhead and non-transaction information is printed by the first printhead. After printing the transaction information, header information of a length that fits between the cutter and the second print data is printed by the second printhead. The cutter then cuts the paper at a position between where the transaction information was printed and where the header information was printed. |
