| 摘要 |
PROBLEM TO BE SOLVED: To detect a toner remaining amount by a toner sensor detecting the toner remaining amount, and to detect the presence of mounting of a toner container and an image forming unit. SOLUTION: The bottom face of the toner container 3 is rotated, so that it is in a rotating range, a magnetic detection is performed in an agitating means 6 for agitating a magnetic toner 5, and an aluminum sheet 9 detected with the toner sensor 4 is formed. |
