Fixing apparatus and image-forming device

Details Fixing apparatus and image-forming device Fixing apparatus and image-forming device

2007-08-07

2007-08-07

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Fixing

C399S324000, C399S330000

Reexamination Certificate

active

10625510

ABSTRACT:
A fixing apparatus for fixing a visible image, including a first rotating device for rotatably fixing a visible image transferred on a medium from a transfer device which develops an electrostatic latent image formed on a latent image bearing body with a developer, and a second rotating device for rotatably supporting the first rotating device while the first rotating device fixes the visible image on the medium, the second rotating device being positioned to form a transfer pass for the medium with the first rotating device, wherein the developer contains a toner having a volume mean grain size of from 5 to 10 micrometers and a grain size not larger than 5 micrometers accounting for 60 through 80 number percent, and the first rotating device has a surface resistivity between 1×107through 1×1010Ω/square.

REFERENCES:
patent: 5717988 (1998-02-01), Jinzai et al.
patent: 03-152557 (1991-06-01), None
patent: 09-222816 (1997-08-01), None
patent: 2000-267340 (2000-09-01), None

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