| 摘要 |
PURPOSE:To enable a perfect printing only by changing a software, by a method wherein, printing data for one or more lines is reversed lengthwise and crosswise, and a reverse sheet-feed is carried out every time when the reversed printing data is stored. CONSTITUTION:If a top-side printing flag is ON in a perfect printing, a one-line printing is conducted with a bail roller 9 depressed, and a forward sheet-feed is performed by the amount of one line. The printing is repeated by every line until a printing for one page is completed. After the printing for one page is completed and a back-side printing is discriminated, the bail roller 9 is moved up, a sheet 6 is fed forward to one line upper from the trailing edge, and a two-line reverse pattern is set. After that, a reverse part in a second line is printed, the sheet is fed forward by the amount of one line, and a reveres part in a first line is printed. Thereafter, the sheet 6 is fed reversely by the amount of two lines, and a reverse part printing by two lines is carried out repeatedly until reaching the top end of the page. |
