| 摘要 |
PROBLEM TO BE SOLVED: To reduce transfer of foreign substances adhering to the surface of a fixing roller onto a heating rotating member. SOLUTION: A fixing device is provided, including a heating rotary member 120, a fixing roller 110 having an elastic rubber layer 116 and forming a heating nip N2 by coming into contact with the heating rotary member, and a backup member 111 coming into contact with the fixing roller to form a fixing nip N1, wherein the surface of the fixing roller is heated at the heating nip by the heating rotary member and while a recording material P carrying a toner image is held and conveyed at the fixing nip, the toner image t is fixed by heating to the recording material on the surface of the fixing roller. The micro hardness Hμof the surface of the fixing roller satisfies Hμ<50. COPYRIGHT: (C)2011,JPO&INPIT |
