| 摘要 |
PROBLEM TO BE SOLVED: To provide a development apparatus that can prevent a developer from being fusion bonded to a developing sleeve and temperature of the developer from rising, and also provide a high-quality and uniform image formation apparatus that can be maintained stably by applying the development apparatus without causing increase in the size of the apparatus.SOLUTION: A cooling fin is provided at both ends of a developing sleeve, so that air is sent into the developing sleeve, which provides a configuration of performing image formation in a simple manner while efficiently cooling the developing sleeve. |
