Image printer with common filter to filter common operating...

Details Image printer with common filter to filter common operating... Image printer with common filter to filter common operating...

2005-12-27

2008-09-09

Chen, Sophia S (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

C219S216000, C399S088000, C399S328000, C399S330000

Reexamination Certificate

active

07424234

ABSTRACT:
An image printer using a common filter to remove harmonic waves generated at a common operating frequency band of a fixing module to fix toner onto a print medium using high frequency power generated from a high frequency generator and a switch mode power supply module to supply operating power to the high frequency generator. The image printer includes a fixing module to fix toner to a print medium using high frequency power generated from a high frequency generator, a switch mode power supply module to supply operating power to the high frequency generator, and a band pass filter to filter harmonic waves of a common operating frequency band of the fixing module and the switch mode power supply module.

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patent: 2004-55364 (2004-06-01), None

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