| 摘要 |
PURPOSE:To attain uniform application of an image forming medium by increasing the driving peripheral speed of outlet side rollers higher than that of inlet side rollers. CONSTITUTION:The outlet side carrying rollers 56, 58 are rotated more rapidly than the inlet side carrying rollers 52, 54 and their driving peripheral speed is higher than that of the rollers 52, 54. Thereby, tensile force acts on a photosensitive material 16 by the driving peripheral speed difference, and when the tensile force exceed a prescribed value, the rollers 52, 54 are immediately slipped and their peripheral speed is made equal to that of the rollers 56, 58. Therefore, the rollers 52, 54 are rotated always in synchronism with the rollers 56, 58 and the photosensitive material 16 between the rollers 52, 54 and 56, 58 is carried with always constant tensile force and is not deflected. Consequently, water 46 is applied to the back surface (emulsion surface) of the material 16 by an application roller 44.
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