| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a color copying machine or a printer with a means which realizes print calibration of high precision by utilizing a standard document reader. <P>SOLUTION: When a calibration pattern is read by the document reader, it is read a plurality of times to perform averaging processing of read values. The number of times of read is predetermined, This number is limited in accordance with the extent of variance of read signals to optimize the number of times of read. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
