| 摘要 |
PROBLEM TO BE SOLVED: To obtain a rotary developing device which can prevent overflow of a developer from a developing unit during transportation. SOLUTION: In an opening 36 of a developing unit 20 from which a developing roll 14 is exposed, a development cover 40 is fitted to close the opening 36. This prevents a developer L from overflowing from the opening 36 due to impact caused as by vibration or falling during the transportation of a image forming device. |
