公开(公告)号：US10539908B2

公开(公告)日：2020-01-21

申请号：US15625602

申请日：2017-06-16

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Kyeong-man Kim ,  Hyun-soo Oh ,  Seong-wook Han ,  Yoon-tae Lee

IPC: G03G15/08 ,  G03G15/00 ,  G03G15/01

Abstract: An image forming apparatus is provided. The image forming apparatus includes a sensor configured to sense a toner concentration, a processor configured to determine at least one of a coring level and a total area coverage (TAC) level according to the detected toner concentration, and an image former configured to print the rendered print data.

公开(公告)号：US10469713B2

公开(公告)日：2019-11-05

申请号：US15410056

申请日：2017-01-19

Applicant: HP PRINTING KOREA CO., LTD.

Inventor： Kyeong-man Kim ,  Hyun-soo Oh ,  Seong-wook Han

IPC: H04N1/60 ,  H04N1/04

Abstract: An image forming apparatus and method thereof are provided. The image forming apparatus includes: a scanner configured to generate a scan image by scanning a document, a processor configured to generate color information of a medium representing content of the document using a predetermined area of the scan image, and to gamma-correct color of an entire area of the scan image based on the color information, and a printer configured to print the gamma-corrected scan image.