Compared with large-format inkjet printers under $25,000 USD for graphic applications. Based on the fastest-rated color speeds as published by manufacturers as of October 2013. Test methods vary.
 Using plain paper and Fast mode, the HP DesignJet Z6600 Production Printer can achieve speeds up to 1500 ft²/hr (140 m²/hr). Using glossy paper and Normal mode, the Z6600 can achieve print speeds up to 212 ft²/hr (20 m²/hr).
 Display permanence rating for interior displays/away from direct sunlight by HP Image Permanence Lab, and by Wilhelm Imaging Research, Inc. on a range of HP media and based on HP Vivid Photo inks. For more information, see http://www.HPLFMedia.com.
 The HP DesignJet Z6600 Production Printer uses 30% less ink than the HP DesignJet Z6100 Printer (demonstrated by internal HP tests on glossy media in Production mode).
 HP Professional PANTONE® color emulation and embedded Adobe® PostScript®/PDF upgrade kit sold separately.
[eco01] Program availability varies. Please check http://www.hp.com/recycle for details.
[eco02] BMG trademark license code FSC®-C115319, see http://www.fsc.org. HP trademark license code FSC®-C017543, see http://www.fsc.org. Not all FSC®-certified products are available in all regions.
[eco03] EPEAT registered where applicable/supported. See http://www.epeat.net for registration status by country.