| 摘要 |
A printer capable of stably transporting a web at high speed and in high accuracy is provided. The printer comprises a printing unit (10) for forming images on a web (W); a yet-to-be-printed web control means (2, 3, 5) for controlling traveling position and tension of the web at a position upstream in a web transporting direction of the printing unit; and an after-printed web control means (12, 13b, 13c, 13d) for controlling traveling position and tension of the web at a position downstream in the web transporting direction of the printing unit.
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