| 摘要 |
<p>PURPOSE:To improve quality of an image, in a printer device wherein a line head is provided in an exposure element to form an image by electropotography system, by preventing the thickness of a picture element from becoming thicker or thinner. CONSTITUTION:There are provided a line buffer 2 for storing and holding image data inputted, an exposure means (exposure control means 4, line head 5) which form one print line image by a plurality of exposures based on a plurality of subline images, and an image processing element 3 wherein a plurality of subline image data, which form thinness correction image data or thickness correction image data based on image data of print lines stored in the line buffer, are produced and each of the subline image data is successively fed to the exposure means.</p> |
