STRUCTURE FOR REFILLING A DEVELOPING CARTRIDGE INSTALLED IN A BODY WITH TONER Russian patent published in 2022 - IPC G03G15/08 G03G21/16 

FIELD: printing.

SUBSTANCE: invention relates to printers, in particular, to structures for refilling a developing cartridge installed in the body of a printer with toner. The toner refilling is connected to the toner refilling section of the developing cartridge installed in the body of the printer through a communication-providing section provided on the surface of the body. The toner refilling kit therein comprises a body including an internal space containing toner and a toner outlet insertable into the communication-providing section provided on the surface of the body, through which the toner contained in the internal space can be released, as well as a piston inserted into the internal space and configured to move in the longitudinal direction of the body, and an outlet gate for opening and closing the toner outlet when the toner outlet is inserted into the communication-providing section.

EFFECT: increase in the operating life of the developing cartridge and increase in the convenience for the user due to the provided possibility of refilling the developing cartridge with toner without removing said cartridge from the printer.

13 cl, 10 dwg