IMAGE FORMING APPARATUS AND FUSER DRIVING CONTROL METHOD

Title:

IMAGE FORMING APPARATUS AND FUSER DRIVING CONTROL METHOD

Document Type and Number:

WIPO Patent Application WO/2016/010209

Kind Code:

A1

Abstract:

An image forming apparatus is disclosed. The image forming apparatus comprises: a heating roller heated using a first heater unit placed in the center thereof and second heater units placed on both sides of the first heater unit; a pressure roller in pressing contact with the heating roller to form a nip; a first sensor for detecting the temperature of the central area of the heating roller; a second sensor for detecting the temperature of the side area of the heating roller; and a control unit for individually controlling the first heater unit and the second heater units according to the respective temperatures measured by the first sensor and the second sensor when the temperature measured by the second sensor is lower than a predetermined first temperature, and commonly controlling the first heater unit and the second heater units according to the temperature measured by the first sensor when the temperature measured by the second sensor is equal to or higher than the predetermined first temperature.

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Inventors:

SONG JEONG-CHUL (KR)
MOON SANG-CHEOL (KR)
KIM HWAN-HEE (KR)
SONG KWANG-SUN (KR)

Application Number:

PCT/KR2014/012685

Publication Date:

January 21, 2016

Filing Date:

December 23, 2014

Export Citation:

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Assignee:

SAMSUNG ELECTRONICS CO LTD (KR)

International Classes:

G03G15/20; G03G15/00

Foreign References:

KR20130110585A	2013-10-10
US20130302055A1	2013-11-14
US20110305476A1	2011-12-15
US20070297826A1	2007-12-27
KR20050006989A	2005-01-17

Other References: