HP 843A 400-ML BLACK INK CARTRIDGE

The HP 843A 400-ml Black PageWide XL Ink Cartridge (C1Q57A) supplies black ink for PageWide XL printing. It is a standard-capacity cartridge with a 400-ml fill, suited to producing monochrome content in PageWide XL workflows.

HP identifies the ink as PageWide XL pigment ink. The manufacturer describes its output as offering crisp lines, fine detail and smooth grayscale transitions, including on uncoated bond. These characteristics support clear technical documents and other black-and-white prints where line definition and tonal detail matter.

In the box: one cartridge.