| 摘要 |
PROBLEM TO BE SOLVED: To form the image with a stable quality, by preventing the cleaning nonuniformity of the charging roller to prevent charging nonuniformity by uniformizing an amount when a charging roller is axially pressed, in a charging-device-cleaning roller provided with a spiral elastic member.SOLUTION: The cleaning roller, which cleans the surface of the charging roller for charging an image carrier, includes: a shaft-like member; and an elastic member formed by being spirally wound around the shaft-like member at irregular intervals. |
