System for providing variable fusing energy to print media

Details System for providing variable fusing energy to print media System for providing variable fusing energy to print media

2005-03-29

2005-03-29

Lee, Susan (Department: 2852)

Electrophotography

Image formation

Fixing

C219S216000

Reexamination Certificate

active

06873818

ABSTRACT:
A system for varying the amount of thermal energy transmitted to print media in a printing device having a fuser with a pressure roller and a heated drive roller biased against the pressure roller includes a first idler roller, having a location which is variable relative to a print path of print media traveling through the printing device, and a thermally conductive belt, disposed around the drive roller and the first idler roller. Thermal energy transferred to the print media traveling along the print path is varied by changing the location of the first idler roller relative to the print path.

REFERENCES:
patent: 5164782 (1992-11-01), Nagayama et al.
patent: 5752148 (1998-05-01), Yoneda et al.
patent: 5887235 (1999-03-01), Wayman et al.
patent: 5998761 (1999-12-01), Berkes et al.

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