| 摘要 |
PROBLEM TO BE SOLVED: To secure pattern detection accuracy during correction. SOLUTION: In correction, a belt 13 is cleaned first, and a pattern is formed on the cleaned surface of the belt 13, to detect and correct the pattern. By cleaning the belt 13 before the pattern formation, the pattern detection accuracy is secured, and accuracy is also improved to secure the quality of a formed image. COPYRIGHT: (C)2010,JPO&INPIT |
