| 摘要 |
A printer (1) has a paper feed roller (11) and a tractor (6) for conveying continuous paper (2) passed a printing position. During printing, the paper feed roller (11) is intermittently rotationally driven at a speed enabling conveying the continuous paper (2) a second feed distance per unit time, and the tractor (6) is held in a state enabling it to be rotated pulled by the continuous paper by means of the paper feed roller (11) while being intermittently rotationally driven synchronously to the paper feed roller (11) at a speed enabling conveying the continuous paper (2) a first feed distance that is less than a second feed distance per unit time (steps ST1, ST2). Each time the continuous paper (2) is conveyed one page length, the paper feed roller (11) is additionally rotated to eliminate a feed distance deficiency due to slipping (steps ST31 to ST33). The printer can therefore convey continuous paper with good precision without applying a great load, and can prevent a drop in print quality.
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