Dual-range power supply for an image forming device

Details Dual-range power supply for an image forming device Dual-range power supply for an image forming device

2011-06-07

2011-06-07

Gray, David M (Department: 2852)

Electrophotography

Machine operation

Having power supply

C399S037000, C399S055000, C307S061000, C307S063000, C307S075000

Reexamination Certificate

active

07957665

ABSTRACT:
The embodiments disclosed herein are directed to methods and devices for a control system to regulate the output voltage of a high voltage power supply (HVPS) in an image forming device. In one embodiment, the HVPS comprises at least two voltage sources connected in series. A print engine controller is configured to disable at least one of the voltage sources when a voltage draw of a load exceeds a maximum differential voltage of the at least two voltage sources.

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patent: 5773822 (1998-06-01), Kitamura et al.
patent: 6549733 (2003-04-01), Matsuguma
patent: 6845220 (2005-01-01), Lee
patent: 7050732 (2006-05-01), Bae et al.
patent: 2006/0091916 (2006-05-01), Uchiyama et al.

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