PRINTHEAD FOR INKJET PRINTING, CARTRIDGE FOR INKJET PRINTING WITH PRINTHEAD FOR INKJET PRINTING AND PRINTING DEVICE FOR INKJET PRINTING Russian patent published in 2009 - IPC B41J2/01 

FIELD: printing.

SUBSTANCE: printing head for inkjet printing contains at least three groups of nozzle-matrixes, and each group of nozzle-matrixes includes the first and second matrix of nozzles including many discharging outlets for ink ejection. The second matrix of nozzles is located next to the first, and between them ink delivery channel is located, with outlets flow section for ink ejection of the second matrix of nozzles being smaller than the first. Printhead additionally contains the third matrix of nozzles, provided in each of the next groups of nozzle-matrixes, with outlets flow section for ink ejection of the third matrix of nozzles being smaller than the second, and third matrix of nozzles is located on the same side as the second, against ink supply channel. Also there is cartridge for inkjet printing containing the printhead and ink container for three types of inks storage and inkjet printing device, containing printhead for inkjet printing and carriage for scanning moving of the said printhead for inkjet printing.

EFFECT: creation of high-quality images at high speed.

7 cl, 14 dwg