Epson WorkForce Pro WF-7840 Wireless Wide-format All-in-One Printer

Supercharge workplace efficiency and productivity with the ultra fast WorkForce Pro WF-7840. Offering high-speed wide-format printing, this reliable all-in-one consistently delivers sharp, professional-quality, prints using innovative PrecisionCore Heat-Free Technology™ and vivid DURABrite® Ultra inks. Built from the ground up to meet the demands of fast-paced businesses, the WF-7840 tackles a variety of tasks with wide-format printing up to 13″ x 19″, auto 2-sided print, copy, scan and fax, a 50-sheet rear tray, and a large, 500-sheet paper capacity. Convenient and easy-to-use, this complete duplex solution offers an abundance of features for simplified operation and navigation, including a 4.3″ color touchscreen and wireless setup using mobile devices.



† Black and color print speeds are measured in accordance with ISO/IEC 24734. Actual print times will vary based on factors including system configuration, software, and page complexity. For more information, visit

  1. Requires Epson Smart Panel app download and a compatible smart device. Data usage fees may apply. For more information, please visit
  2. Most features require an Internet connection to the printer, as well as an Internet- and/or email-enabled device. For a list of Epson Connect™ enabled printers and compatible devices and apps, visit 
  3. Wi-Fi CERTIFIED; level of performance subject to the range of the router being used. Wi-Fi Direct may require printer software.
  4. Based on comparing manufacturers’ reported TEC values of the best-selling, similarly featured color laser printers priced about $999 (USD) or less with print speeds of 40 ppm or less as of February 2020.
  5. For convenient and reasonable recycling options, visit
    6. SmartWay is an innovative partnership of the U.S. Environmental Protection Agency that reduces greenhouse gases and other air pollutants and improves fuel efficiency.

Tech Specs

Device Type

Multifunction printer

Fax Type

Plain paper

Printing Technology

Ink-jet – color

Monthly Duty Cycle (max)

50000 pages

Recommended Monthly Volume

2500 pages

Display Diagonal Size


Display Color Support


Display Features

Touch screen

Connection Availability



USB 2.0, LAN, Wi-Fi(ac)

AirPrint Enabled


Office Machine Features

Scan to e-mail, scan to folder, scan to Cloud, scan to FTP, scan to PC

Max Copying Speed

Up to 23 ppm (mono) / up to 10 ppm (color)

Max Document Enlargement


Max Document Reduction


Maximum Copies


Automatic Duplexing


Copying Features

ID Card Copy, collation copy, remove punched holes, remove shadows, adjustable copy density

Inkjet Technology

Epson PrecisionCore MicroTFP

Max Printing Resolution

Up to 4800 x 2400 dpi (mono) / up to 4800 x 2400 dpi (color)

Max Printing Resolution Class

Up to 4800 x 2400 dpi (mono) / up to 4800 x 2400 dpi (color)

Max Printing Speed

Up to 25 ppm (mono) / up to 12 ppm (color)

Ink Cartridge Configuration

4 cartridges (1 each: cyan, magenta, yellow, black)

Ink Palette Supported (Colors)

Cyan, magenta, yellow, black



Minimum Ink Droplet Size

3.8 pl

Printer Drivers / Emulations


Ink Type

Epson DURABrite Ultra inks

Automatic Duplexing


Scan Element


Automatic Duplexing


Optical Resolution

1200 x 2400 dpi

Interpolated Resolution

9600 dpi

Color Depth


Color Depth (Internal)


Fax Machine

Super G3

Max Transmission Speed

33.6 Kbps

Total Memory Capacity

Up to 550 pages

PC Faxing


Fax Machine Features
Speed Dialing

200 station(s)

Document & Media Handling
Max Original Size

Ledger/A3 (11.7 in x 17 in)

Original Type


Document Feeder Capacity

50 sheets

Max Media Size


Supported Media Type

Envelopes, plain paper, photo paper, glossy photo paper, matte paper

Supported Media Sizes

Letter A Size (8.5 in x 11 in), Legal (8.5 in x 14 in), Executive (7.25 in x 10.5 in), A4 (8.25 in x 11.7 in), A6 (4.13 in x 5.83 in), Ledger B Size (11 in x 17 in), 4 in x 6 in, 8.5 in x 11 in, 5 in x 7 in, 11 in x 17 in, 8.5 in x 14 in, 8 in x 10 in, A3 plus (13 x 19 in)

Supported Envelope Sizes

US No 10 (4.1 in x 9.5 in)

Borderless Photo Sizes

11 in x 17 in

Standard Media Capacity

500 sheets

Document & Media Handling Details
  • 2 x input tray – 250 sheets
  • ADF – 50 sheets
Speed Details
  • Printing: up to 25 ppm – B/W (ISO/IEC 24734)
  • Printing: up to 12 ppm – color (ISO/IEC 24734)
  • Printing: up to 16 ppm – B/W duplex (ISO/IEC 24734)
  • Printing: up to 9 ppm – color duplex (ISO/IEC 24734)
  • Copying: up to 23 ppm – B/W (ISO/IEC 29183)
  • Copying: up to 10 ppm – color (ISO/IEC 29183)

  • 1 x USB 2.0 – 4 pin USB Type B
  • 1 x LAN – RJ-45
Security Protocols & Features

Wi-Fi Direct

Operating System Support

MS Windows XP SP3, MS Windows Server 2003 SP2, MS Windows Vista (32/64 bits), MS Windows 7 (32/64 bits), Windows 8 (32/64-bits), Windows 8.1 (32/64-bits), Windows 10 (32/64-bits), MS Windows XP Professional x64 Edition SP2, MS Windows Server 2019, Apple Mac OS X 10.6.8 – macOS 10.15.x

Software Included

Drivers & utilities, Epson Fax Utility, EPSON Scan 2, Epson ScanSmart

Voltage Required

AC 120 V (50/60Hz)

Power Consumption Operational

20 Watt

Power Consumption Standby

8.8 Watt

Power Consumption Sleep

0.8 Watt

Consumables Included
  • 1 x cartridge (black)
  • 1 x cartridge (cyan)
  • 1 x cartridge (magenta)
  • 1 x cartridge (yellow)
Compliant Standards

ICES-003 Class B, FCC Part 15 B, EMC, RoHS, UL 60950-1, CAN/CSA C22.2 No. 60950-1

Environmental Standards


Manufacturer Warranty
Service & Support

Limited warranty – 1 year

Dimensions & Weight

20.3 in


17.7 in


13.8 in


45.41 lbs

Environmental Parameters
Sound Emission

48 dBA (operating)

Min Operating Temperature

50 °F

Max Operating Temperature

95 °F


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