Epson Expression EcoTank ET-3700 Supertank All In One Printer

Item # L9766650

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The Expression ET-3700 EcoTank wireless all-in-one offers revolutionary cartridge-free printing with easy-to-fill, supersized ink tanks. It includes up to 2 years of ink in the box1. That’s an incredible amount of ink — enough to print up to 11,200 pages2, and equivalent to about 30 ink cartridge sets3. Plus, it features auto-stop ink bottles with each color uniquely keyed for easy filling of each tank. And, you save up to 80 percent on ink with low-cost replacement bottles4. The ET-3700 also offers a 150-sheet paper capacity, large 2.4" color LCD, auto 2-sided printing, borderless printing up to 8.5" x 11" and easy wireless printing from tablets and smartphones5.

1 Based on average monthly print volumes of about 300 pages.
2 Included ink bottle yields based on the ISO/IEC 24712 pattern with Epson’s methodology. Actual ink yields will vary considerably for reasons including images printed, print settings, temperature and humidity. Yields may be lower when printing infrequently or predominantly with one ink color. All ink colors are used for printing and printer maintenance, and all colors must be available for printing. For more information, visit
3 Equivalent cartridge sets estimate based on print yields of the included Black and color ink bottles as compared to Epson standard-capacity ink cartridge sets for similarly featured cartridge printers as of March 2017.
4 Savings comparison based on the purchase cost of replacement ink bottles and the cost of enough cartridges to achieve the total page yields of the bottles using the manufacturers’ online prices and yields for the highest-capacity cartridges for the best-selling, similarly featured consumer inkjet printers.
  • Box Contents

    Expression ET-3700 EcoTank all-in-one
    CD-ROM for product setup
    Power cord
    2 x bottle 502 Black (127 mL)
    2 x bottle each 502 Cyan, Magenta, Yellow (70 mL)

  • Brand Description


  • Connectivity Technology

    Hi-Speed USB
    Wireless 802.11 b/g/n
    Wi-Fi Direct
    10/100 RJ45 LAN

    Apple® AirPrint®
    Google Cloud Print
    Android printing
    Fire™ OS printing
    Mopria® Print Service

  • Copier Type

    Colour Flatbed

  • Features

    Auto 2-sided Printing

  • Image Enhancement Technology

    Epson ESC/P® -R

  • Ink Cartridge

    #502 Bottles

  • Input Trays Capacity

    150 Sheets

  • Max Copying Speed

    11 ISO cpm (black), 5.5 ISO cpm (colour)

  • Maximum Ink Droplet Size

    3.3 Picoliters

  • Maximum Printing Speed

    15 ISO ppm (black), 8 ISO ppm (colour)

  • Media Size

    3.5" x 5", 4" x 6", 5" x 7", 8" x 10", 8.5" x 11", 8.5" x 14", A4, A6, half letter, legal, executive

  • Media Type

    Plain paper, Epson Bright White Paper, Photo Paper Glossy, Premium Photo Paper Glossy, Presentation Paper Matte, Premium Presentation Paper Matte and Premium Presentation Paper Matte Double-sided

  • Model


  • Monthly Duty Cycle (max)

    5,000 Pages Max
    Recommended: 800 Pages

  • Power

    Rated Voltage: AC 100 – 240 V Universal (Automatic)
    Rated Frequency: 50 – 60 Hz
    Rated Current: 0.4 – 0.2 A

  • Power Consumption Operational

    Approx. 12 W ISO 24712 (Standalone copy printing)
    Approx. 5.3 W (Standby)
    Approx. 0.7 W (Sleep)
    Approx. 0.2 W (Power off) ENERGY STAR® qualified

  • Printing Technology

    4-color (CMYK), drop-on-demand MicroPiezo® inkjet technology

  • Resolution

    4800 x 1200 optimized dpi

  • Scanning

    Hardware Resolution: 1200 x 2400 dpi
    Scanner Bit Depth Input: 48-bit color / Output: 24-bit color

  • System Requirements

    Windows® 10, Windows 8, 8.1 (32-bit, 64-bit), Windows 7 (32-bit, 64-bit), Windows Server® 2003 – Windows Server 2016 (32-bit, 64-bit) Mac® OS X® 10.6 – acOS® 10.12.x