| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem wherein full and effective verification of the controller of a printing device is not executed, by only observing final image data shown by an actual printing result, a previous example, etc. <P>SOLUTION: Image data from the controller 100 that creates image data for output of a plurality of lines in parallel are inputted as image data of even-numbered lines and odd-numbered lines, and the image data are stored in a frame memory 206. When selection is made on whether the image data stored in the frame memory 206 is to be displayed by a printing image, or the image data is to be displayed as images of even-numbered lines or odd-numbered lines, either the image data by the unit of lines or the image data of a full image are read from the image data stored in the frame memory 206, depending on the selection. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
