| 摘要 |
A method is provided that performs, based on a schedule, the printing of a plurality of images and the print head maintenance on the first face and the second face of a continuous sheet. The method includes: sensing a unique portion unsuitable for image printing that exists on the continuous sheet; and setting a printing schedule, when the unique portion is sensed in the first face or the second face, such that an image is prevented to be printed on the unique portion and a maintenance operation of the print head is performed at a region corresponding to the unique portion on the back face of the first or second face that has the unique portion. |
