| 摘要 |
PROBLEM TO BE SOLVED: To provide a developing roll on which toner can be uniformly applied and in which durability is improved while maintaining good characteristics. SOLUTION: In the developing roll having a rubber elastic layer 2 essentially comprising a conductive polyurethane rubber around a core metal 1, a sealing part 3 made of a rubber essentially comprising silicone rubber is formed as integrated on both ends of the elastic layer 2. |
