The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 22, 2022

Filed:

Dec. 06, 2019
Applicant:

Hewlett-packard Development Company, L.p., Spring, TX (US);

Inventors:

Hong-Chul Choi, Seongnam-si, KR;

Yun-Su Kim, Seongnam-si, KR;

Seong-ho Jin, Seongnam-si, KR;

Jinwoo Noh, Seongnam-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01); B41J 2/00 (2006.01); G03G 15/00 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0863 (2013.01); B41J 2/17546 (2013.01); G03G 15/0867 (2013.01); G03G 15/0894 (2013.01); G03G 15/556 (2013.01); B41J 2002/17579 (2013.01); G03G 2215/066 (2013.01); G03G 2215/0673 (2013.01); G03G 2215/0697 (2013.01);
Abstract

An example operation method of an image forming apparatus includes determining a state of a toner refill operation of injecting toner from a toner reload kit (TRK) into a cartridge in the image forming apparatus, based on completion of injecting toner from the TRK into the cartridge, controlling the TRK to store information indicating a toner refill completion in a memory of the TRK and updating information of an amount of remaining toner of the cartridge based on an amount of the toner injected into the cartridge from the TRK.


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