| 摘要 |
PROBLEM TO BE SOLVED: To enable adjusting the position of each toner image forming part with a simple constitution, and to enable outputting colors with less color unevenness. SOLUTION: A position adjusting part 24a installed on a toner image forming part 10a is constituted of a motor 40a, a screw 42a attached to the motor 40a and a fixed arm 44a fixed to the main body, and the motor 40a is fixed on a toner box 21a, and the rotation of the motor 40a is controlled by a control part (not illustrated). And the screw 42a is rotated in accordance with the rotation of the motor 40a, and the fixed arm 44a is moved in up and down directions, the fixed arm 44a is fixed to the main body, so that all the toner image forming part 10a is moved in up and down directions. Position adjusting parts 24b to 24d for other toner image forming parts 10b to 10d are constituted in the same way, and respective toner image forming parts 10a to 10d are individually moved in up and down directions. |
