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.
Patent No.:
Date of Patent:
Jun. 21, 2022
Filed:
Mar. 01, 2019
Hewlett-packard Development Company, L.p., Spring, TX (US);
Yong-Kwan Cho, Uiwang-si, KR;
Seung Gweon Lee, Suwon-si, KR;
Jiwon Moon, Ahnyang-si, KR;
Woongyong Choi, Yongin-si, KR;
Yongil Moon, Seoul, KR;
Yongnam Ahn, Suwon-si, KR;
Jinhwa Hong, Seoul, KR;
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US);
Abstract
A printer may include a main body and a development cartridge attachable to and detachable from the main body. The development cartridge may comprise a developing portion in which a photoconductive drum and a developing roller are provided, a waste toner container to receive waste toner removed from the photoconductive drum, a toner container connected to the developing portion and to receive toner, and a toner refilling portion connected to the toner container and to refill toner through the toner refilling portion into the toner container. The printer may include a communicating portion provided in the main body to be connected to the toner refilling portion to provide an access the toner refilling portion from outside of the main body when the development cartridge is attached to the main body.