Fuser, image forming apparatus, and method to control the...

Details Fuser, image forming apparatus, and method to control the... Fuser, image forming apparatus, and method to control the...

2011-03-22

2011-03-22

Porta, David P (Department: 2884)

Electrophotography

Machine operation

Having power supply

Reexamination Certificate

active

07912397

ABSTRACT:
A fuser, an image forming apparatus, and a method to control the apparatus includes a power supply unit to supply power to a plurality of heat sources provided in the fuser, and is controlled to gradually increase and change in a stepwise manner an amount of current supplied alternately to the plurality of heat sources, thereby preventing an inrush current and uneven fusing of images.

REFERENCES:
patent: 5669038 (1997-09-01), Kishimoto
patent: 5671462 (1997-09-01), Toyohara et al.
patent: 6034790 (2000-03-01), Kamei et al.
patent: 7636527 (2009-12-01), Nanba et al.
patent: 2003/0072581 (2003-04-01), Nishida
patent: 2003/0103778 (2003-06-01), Meads et al.
patent: 2005/0141913 (2005-06-01), Song et al.

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