| 摘要 |
PROBLEM TO BE SOLVED: To enable the use for a long time by rotating a rotary barrel having a plurality of blades which is provided adjacent to a squeeze roller to effectively remove the developer on the surface of the squeeze roller. SOLUTION: A development roller 543 which is provided adjacent to a lower part of a photosensitive belt 110 and feeds the developer 548a to the photosensitive belt 110, a primary squeeze roller 546 and a secondary squeeze roller 547 to remove the excessive developer 548a by squeezing the photosensitive belt 110 are provided. Cleaning devices 550a, 550b to remove the developer adhered to the corresponding squeeze rollers 546, 547 are provided on each lower part of the primary squeeze roller 546 and the secondary squeeze roller 547. Blades 551a, 551b are provided around rotary barrel 553a, 553b with equal angular intervals in the cleaning devices 550a, 550b. When one blade is worn, it can be replaced by another blade without overhauling a developing device. |
