Fuser apparatus, image forming apparatus including the fuser...

Details Fuser apparatus, image forming apparatus including the fuser... Fuser apparatus, image forming apparatus including the fuser...

2006-11-21

2009-12-22

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

C399S067000

Reexamination Certificate

active

07636527

ABSTRACT:
A fuser apparatus including: a fuser member having an endless contact surface to be brought into contact with each of successively transported recording media and a non-contact surface and being arranged to apply heat to the recording medium from the contact surface to fix a toner on the recording medium; a heating member energized to supply heat to the contact surface; a contact surface temperature detecting member for detecting a temperature of the contact surface; a non-contact surface temperature detecting member for detecting a temperature of the non-contact surface; and an energization controlling member for controling energization power of the heating member; wherein the energization controlling member controls the heating member energization power so that the heating member energization power is reduced as a difference between the non-contact surface temperature and the contact surface temperature decreases.

REFERENCES:
patent: 2003/0202814 (2003-10-01), Senda et al.
patent: 2006/0204266 (2006-09-01), Watabe
patent: 2007/0212091 (2007-09-01), Kinouchi et al.
patent: 08-328425 (1996-12-01), None
patent: 2003-043852 (2003-02-01), None
patent: 2005-091867 (2005-04-01), None
Japanese Office Action for corresponding application No. JP2005-356576 issued Jun. 2, 2009.

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