Description
Compatible Printers: HP Designjet 4000, 4000ps, 4020, 4020ps, 4500, 4500mfp, 4500ps, 4520, 4520 HD-MFP, 4520ps If the item does not work properly, any defective/damaged items can be replaced within 90 days from the date of purchase. Note: If the printer can't recognize printhead, please take off printhead, gently wipe the electrical contacts on them using a paper towel, restart printer and re-install the printhead.