Amazon.com: Wenon Remanufactured HP 90 Printhead Compatible for HP Designjet 4000/4000ps Series Printers : Office Products
HP Designjet 4000ps - YouTube
Lot HP Designjet 4000 Printer
Product Overview: HP's New DesignJet 4000
HP Designjet printer complete list by model number, with suggestions on a reliable ink company for after-market ink, especially for HP Designjet 5000 and 5500, but also others.