| 摘要 |
An electrophotographic printing apparatus comprises a paper-conveying device conveying a continuous paper sheet in a definite conveyance direction, a plurality of photoreceptors disposed downstream from the paper-conveying device at regular intervals in the conveyance direction of the continuous paper sheet, and one or more idler rollers that are disposed between the paper-conveying device and the most upstream photoreceptor and that rotate passively while contacting the continuous paper sheet wrapping around the rollers. The idler roller that the continuous paper sheet is in contact with at the largest wrap angle has a circumference that is equal to the whole or a fractional length of the interval between the axes of two adjacent photoreceptors.
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