Holds the printing nozzles that disperse ink.

The part of a BJ Cartridge that contains the nozzles that eject ink for printing.

The important, usually movable, part of a printer. This contains the printing elements directly responsible for applying ink to a medium. As a general rule of thumb, a print head with more nozzles will have a larger print swath (coverage), resulting in faster outputs.

The element of a printer that applies the mark or image to the paper.