ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR Color print/copy Colour printing Colour copying Colour scan Colour scanning HP OfficeJet 6600, Thermal inkjet, Color printing, 4800 x 1200 DPI, Color copying, A4, Black HP OfficeJet 6600. Print technology: Thermal inkjet, Printing: Color printing, Maximum resolution: 4800 x 1200 DPI, Print speed (color, normal quality, A4/US Letter): 8 ppm. Copying: Color copying, Maximum copy resolution: 600 x 600 DPI. Scanning: Color scanning, Optical scanning resolution: 1200 x 1200 DPI. Faxing: Color faxing. Maximum ISO A-series paper size: A4. Wi-Fi. Product color: Black The HP Officejet 6600 e-All-in-One Printer colour inkjet multifunction (copy/scan/print/fax) is a puzzler, and a huge disappointment. Priced at $150 (as of June 11, 2012), it's handsome, it has an easy-to-use LCD control panel, and it offers excellent... Despite good performance and cheap high-capacity supplies, a $150 multifunction without any sort of duplexing support should be avoided (unless you actually want to double your paper usage, mailing costs, storage space, and such). Instead, choose a li... https://www.pcworld.com/article/257475/hp_officejet_6600_e_all_in_one_printer_review_no_duplexing_no_dice.html The HP Officejet 6600 e-All-in-One Printer color inkjet multifunction (copy/scan/print/fax) is a puzzler, and a huge disappointment. Priced at $150 (as of June 11, 2012), it's handsome, it has an easy-to-use LCD control panel, and it offers excellent p... Decently fast, Easy-to-use LCD control panel Absolutely no two-sided printing support, Small starter supplies A complete lack of support for two-sided printing is a deal-killer for this otherwise competent small-office multifunction.... https://www.pcmag.com/review/298056/hp-officejet-6600-e-all-in-one Clearly meant primarily for office needs, as the name suggests, the HP Officejet 6600 e-All-in-One ($149.99 direct) inkjet MFP is hard to characterize in other ways. It uses a touch screen for its front panel controls, for example, so you can't say it's a... Automatic document feeder. Wi-Fi. Touch-screen control panel with well-designed menus. Prints through the cloud. No duplexer (for printing on both sides of a page). No Ethernet. No PictBridge support. Only one paper tray The HP Officejet 6600 e-All-in-One inkjet MFP lacks some potentially important features, like wired network support, but it scores reasonably well for speed and output quality....