| 摘要 |
If an input of a continuous image forming job is received, a time for interrupting the continuous image forming job is decided based on an image area ratio of a toner image that is formed on a latent image carrier through the continuous image forming job and a predetermined number of formed images (the number of passed sheets) that is formed until a predetermined type of abnormal image is generated when continuous image formation is performed at the image area ratio. During an interruption period of the continuous image forming job, an idle rotation in which the latent image carrier rotates in a state in which the toner is not supplied to the latent image carrier by the developing unit is performed, and the cleaning process is performed.
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