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:
Dec. 05, 2023

Filed:

Dec. 06, 2022
Applicant:

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

Inventors:

Gun Heo, Seongnam-si, KR;

Hojin Jang, Seongnam-si, KR;

Jaerae Lee, Seongnam-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0856 (2013.01); G03G 15/0886 (2013.01);
Abstract

An example image forming apparatus includes a main body having a guide frame to guide a toner cartridge on a path for detachment and attachment, a sensor to sense a remaining toner level of the toner cartridge, and a shutter member disposed to move along the guide frame in association with the attachment and detachment of the toner cartridge. In response to separation of the toner cartridge from the guide frame, the shutter member is movable to a first position covering the sensor and, in response to the toner cartridge being mounted on the guide frame, the shutter member is movable to a second position to open the sensor.


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