| 摘要 |
PROBLEM TO BE SOLVED: To provide a color chart effective in a color chart measuring device, etc., to read the color chart from printing paper to be fed and its color chart measuring method. SOLUTION: Plural color chart areas cr and reference marks rm 1 to rm 3 provided at intervals of them are arranged along the print width direction on the color chart cc. The color chart areas cr are formed by repeatedly arranging mesh areas and set-solid areas of density preliminarily determined by every color in a prescribed order and arranged in symmetrical about a point by sandwiching the reference mark rm 1. In addition, a paper blank area hr to be an unprinted area is provided in the upper direction adjacent to the color chart areas cr. Inclination can be corrected by positions of two or more reference marks by the color chart cc. |
