Image forming device

Details Image forming device Image forming device

2005-06-07

2005-06-07

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Fixing

C399S223000, C399S328000, C399S333000

Reexamination Certificate

active

06904256

ABSTRACT:
An image forming device includes an image forming unit and a thermal fixing unit. The image forming unit uses a plurality of different color developing agents to form a color image on a recording medium. The plurality of different color developing agents are configured from binding resins with the same thermal properties. The plurality of different color developing agents include at least a high-resistance developing agent and a low-resistance developing agent. The high-resistance developing agent has a higher electrical resistance than the low-resistance developing agent and a lower charge-to-mass ratio than the low-resistance developing agent. The thermal fixing unit thermally fixes the color image onto the recording medium.

REFERENCES:
patent: 5627629 (1997-05-01), Takahashi et al.
patent: 6097919 (2000-08-01), Takeuchi et al.
patent: 6701116 (2004-03-01), Aoki
patent: 6721524 (2004-04-01), Sato et al.

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