We offer LD remanufactured cartridges and original Hewlett Packard cartridges for your HP DesignJet Z6600 printer. LD remanufactured replacement ink cartridges and supplies for your HP DesignJet Z6600 are specially engineered to meet the highest standards of quality and reliability. The use of our LD inkjet cartridges for your HP DesignJet Z6600 printer does not void the printer warranty. Our products come with a 'Two Year & 100% Quality Satisfaction Guarantee.' We also carry original Hewlett Packard inkjet cartridges which offer the quality that you can expect from HP and come with standard manufacturer warranties.