| 摘要 |
An image-forming apparatus for forming an image on a long flexible recording medium carried continuously in a specified transportation direction, including: at least two rollers over which the long flexible recording medium is stretched; a tension setting portion for stretching the long flexible recording medium horizontally by keeping the tension of a portion extending between the two adjacent rollers constant; and an image-forming unit for forming a two-dimensional pattern on the long flexible recording medium stretched between the two adjacent rollers horizontally.
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