Inventor
JEONG SU-JONG
KR10 patents
Patents
10 patentsUS6111594AAug 29, 2000
Method of and apparatus for controlling transfer voltage based on specific resistance of paper in laser beam printer
SAMSUNG ELECTRONICS CO LTD38 citations91
US6246847B1Jun 12, 2001
Electronic photograph forming apparatus and method for controlling the same
SAMSUNG ELECTRONICS CO LTD19 citations82
US6917770B2Jul 12, 2005
Charging voltage controller of image forming apparatus
SAMSUNG ELECTRONICS CO LTD19 citations80
US6070025AMay 30, 2000
Technique for controlling transfer voltage in an image forming apparatus in accordance with detected composite resistance between photoconductive drum and transfer roller
SAMSUNG ELECTRONICS CO LTD14 citations72
US7050732B2May 23, 2006
Electrophotographic image-forming apparatus and charging voltage control method thereof
SAMSUNG ELECTRONICS CO LTD9 citations66
US7027757B2Apr 11, 2006
Image forming apparatus including a subsidiary transfer part having a fiber optic guide
SAMSUNG ELECTRONICS CO LTD2 citations61
US7016618B2Mar 21, 2006
Method of detecting lifespan of transfer roller and electrophotographic image forming apparatus employing the method
SAMSUNG ELECTRONICS CO LTD4 citations61
US6806895B2Oct 19, 2004
Method and apparatus for an electrophotographic printer where voltage magnitude applied to charge roller and intensity of illumination unit vary depending on type of print job submitted
SAMSUNG ELECTRONICS CO LTD5 citations61
US6750893B2Jun 15, 2004
Image forming apparatus and method controlling a laser scan unit
SAMSUNG ELECTRONICS CO LTD2 citations61
US6021300AFeb 1, 2000
Engine unit for image forming apparatus
SAMSUNG ELECTRONICS CO LTD5 citations61