HP Black 2510 ink is a water-based ink with an extended decap time for reliable, intermittent <br>printing with high-optical density. This high-performance Original HP ink maintains optimum <br>printhead performance for easy startup after periods of non-printing. It prints sharp, dark <br>black text with high-optical density in a single pass; offers excellent print quality for high-<br>resolution, easy-to-read barcodes; and is suitable for porous substrates. Available in a 370 <br>ml bulk supply for ease of use for high-volume applications that require high quality results <br>at low cost per print and low intervention rates.