| 摘要 |
PROBLEM TO BE SOLVED: To determine a replacement timing of a bead roller without a special operation and determination by an operator.SOLUTION: An image formation device which forms an image on a recording medium based on input data is equipped with: transportation means which transports the recording medium from an unwinder to a rewinder; image printing means which prints an image on the recording medium on the basis of said input data; a bead roller having an irregularity on a surface which contacts a recording surface of the recording medium printed by the image printing means; photographing means which photographs the image printed by the image printing means; and notification means which notifies about replacement of the bead roller in only a case that there is a leakage which is equal to or more than a threshold in the image photographed by the photographing means.SELECTED DRAWING: Figure 1 |
