| 摘要 |
In an electrophotographic printing apparatus for printing an image to an image transfer sheet medium by producing a latent image on a photosensitive unit and transferring the latent image to the image transfer sheet medium, a width-directional position of the image transfer sheet medium is detected before the latent image is produced and the same after the latent image is produced on the photosensitive unit by the width-directional positional sensor, and the detection results are compared with one another; and it is determined from the comparison result whether or not printing operation is continued.
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