| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an image forming device made excellent in offset resistance and winding prevention characteristic and capable of stably forming a high- quality image. SOLUTION: This image forming device is equipped with a fixing device having two rotating bodies forming a fixing nip part by press-contacting with each other and provided with a heating source on the inside of at least either rotating body, and thermally fixing an unfixed toner image formed on recording material at the nip part. The surface roughness of the rotating body coming into contact with the surface of the recording material on which the unfixed toner image is formed satisfies a specified relational expression in relation to the number average particle size. of toner constituting the unfixed toner image, and the number average particle size of the toner is 2 to 9μm.</p> |
