HP 843A Ink is made for your PageWide XL! 

Set a new quality standard for technical documents and grow your business with fast, vivid color ideal for GIS map and point-of-sale (POS) poster applications. Produce dark blacks and vivid colors, even on uncoated bond papers, in prints that are moisture and fade resistant. See crisp lines, fine detail, and smooth grayscales that beat LED. Designed for large format HP PageWide XL printing, these inks enable extended time between printhead service station cycles.

The fast-drying formula helps move production along at a speedy pace.

Compatible with PageWide XL 4000 and 4500 models.