HP C5054A No 90 Black Printhead and Printhead Cleaner to fit Designjet 4000 Series. To make the most from your printer, you need to ensure that you are using only the best products. Hewlett Packard carefully engineers each of its components to work perfectly with its machines, achieving a level of harmony that isn't possible with compatible products. Colour separation is not a problem, ensuring that dingy overlaps do not occur and that every tone is fully realised. Installation into your machine is not a problem, for an easier printing process.