The New SOLJET EJ-640

Large Format Digital Printer: Crank up Productivity, Volume and Quality. Cut Costs Dramatically.

A busy, high-volume print shop needs never-say-die people, and a printer that can deliver quality output at high speeds. Meet the new EJ-640 large format digital printer. With dual staggered print heads and a rigid new industrial design, productivity and quality are built in.

So are big-time savings.

The EJ-640 runs with new Roland EJ inks, which are available in 4 or 7 colours and 1-Litre cartridges that cost up to 35% lower than the competition. The result? High-volume, low-maintenance printing and bold, exciting colours that deliver higher profit margins.


Unshakable Performance, Even Under Pressure

Demand is high, business is cranking, so everyone and everything has to be clicking. The EJ-640 is your go-to large format digital printer for high quality, volume output of wall and vehicle wraps, posters, banners and indoor and outdoor signs. And with an integrated tri-heater system, advanced media handling, and high-capacity inks, you can spend less time operating the printer and more time making money.

Feature Summary

  • New GREENGUARD Gold certified quick-drying Roland EJ inks and 1-litre cartridges save you 35% over other printers on the market
  • Rigid new industrial design and dual staggered print heads deliver high-quality, high-volume printing
  • Media feed system, heating system and optional take-up system keep pace with high-speed production
  • Dual eight-channel Piezo inkjet heads house 180 nozzles per channel
  • Offset-positioned print heads move in a large print swath for increased production/follow a mirrored pattern to reduce the chance of banding
  • Variable dot control achieves smooth gradations and deep image saturation on a broad range of media

Gain an Edge with the new EJ-640 Large Format Digital Printer

More than a job, it’s your reputation coming out of that printer. Which is precisely why the EJ-640 large format colour printer is designed to ensure quality results even at high speeds:

  • Dual eight-channel Piezo inkjet heads house 180 nozzles per channel
  • Offset-positioned print heads move in a large print swath for increased production and follow a mirrored pattern to reduce the chance of banding
  • Advanced media feed allows media to feed through the printer accurately at high speeds
  • Rigid industrial design ensures quality output
  • Patent-pending Roland Intelligent Pass Control system controls dot placement between passes, producing exceptional solid colours and photographic image quality
  • Variable dot control achieves smooth gradations and deep image saturation on a broad range of media

Produce Rich, Vibrant, Durable Colour for Less

New, specially formulated, quick-drying EJ inks produce amazingly brilliant colours. The inks also provide unmatched long-term outdoor durability, scratch and chemical resistance, broad media support and a wide spectrum of colour. And the available 1-Litre cartridges allow the EJ to run without frequent cartridge changes. Need more? Configure it for dual-CMYK or CMYKLcLmLk for finer details, smoother gradations and more neutral grays (made possible with Light Black ink).

Free Up More of Your Time

Because the EJ-640 large format colour printer doesn’t need constant attention, you can concentrate on other important tasks. Here are just a few features that get you through longest print runs:

  • 1-Litre ink cartridges
  • Front-mounted take-up unit
  • Support of heavy roll media up to 40kg
  • Adjustable media feed for accurate centering and take-up
  • Rigid industrial design for quality high speed printing
  • Fully adjustable print heads support various media thicknesses

Count On a Quick-Dry Finish

The EJ-640 dries prints quickly – even in high-speed mode – for immediate finishing, installation or collection by the take-up system.

The integrated tri-heater system features:

  • Pre-heater to improve media receptiveness
  • Print heater to accelerate ink fastness and brightness
  • Dryer to accelerate drying and ensure greater productivity and scratch resistance

An optional dryer/blower unit evenly dries large prints and enhances image saturation at high speed.


Watch Those Print Heads Last Longer

The EJ-640's three-part patent-pending wiper system is designed to significantly reduce buildup around the edges of the print head, decreasing wear and tear and prolonging its life.

Print With Confidence

Owning an intelligent Roland inkjet has its perks, like sharing information remotely. The Predictive Ink Calculator in VersaWorks lets you monitor ink supply for the print jobs you've posted to the queue, while Roland OnSupport emails you to let you know when a job is completed or ink is running low.


Brilliantly Easy Production with New VersaWorks Dual RIP


A revamped RIP, VersaWorks Dual – included with the EJ-640 – features a new core engine for better file processing, including files with transparencies, plus the advanced and ease-of-use capabilities that have always made VersaWorks, well, VersaWorks.

  • Predictive Ink Calculator
  • Spot Colour Replacement
  • Built-in Pantone® and Roland Color spot colour libraries
  • Variable data printing
  • Embedded ICC support ink level adjustment tools
  • Advanced cropping, tiling and nesting options

Environmental Certifications

Roland EJ inks are GREENGUARD Gold certified and are engineered for environmental efficiency. That means each model is equipped with features that minimise ink consumption and reduce environmental waste and operational costs.  All EJ ink cartridges are also eligible for the Roland Cartidge recycling program.

GX cutter

Seamlessly Pair With a GX Pro Cutter

You can pair your EJ-640 printer with a Roland GX Pro Series cutter to quickly and easily contour cut printed decals, heat transfers, POP displays, vehicle wraps, labels and more. Roland Quadralign™ technology precisely reads crop marks on pre-printed data and aligns the graphic for perfect contour cutting.

Expect Legendary Roland Quality and Reliability

Like all Rolands, the EJ-640 printer is built to provide years of reliable service – even in the most demanding environments – and is backed by our unmatched Five-Year Extended Warranty. Long-lasting, high-performance Roland devices are supported by first-rate customer service, including expert technical assistance and free software updates.

Roland's international ISO certifications are your assurance of quality products and service.


SOLJET EJ-640 Applications


With a 64” media width and high print speed mode options, the EJ-640 produces vibrant, colorful banners.


The EJ-640 delivers high color density and exceptional images and text that are last up to three years outdoors without lamination. Choose from a wide range of both coated and uncoated media, including backlit film.


The EJ-640 produces outstanding photorealistic poster graphics regardless of viewing distance. Roland DG’s state-of-the-art piezo print head technology creates beautifully smooth, band-free accurate color on a wide range of media – even at high print speeds.

Outdoor Signage

Vehicle Wraps

Exceptional production capability, excellent imaging and unmatched reliability make the EJ-640 outstanding for vehicle graphics applications.

Vehicle Signage

Décor and Fine Art

With variable droplet technology, the EJ-640 is generates art and photographic reproductions with accuracy and brilliant color.

Fine Art Printing


Printing technology Piezoelectric inkjet
Media Width 259 to 1,625 mm (10.2 to 64 in.)
Thickness Max. 1.0 mm (39 mil) with liner
Roll outer diameter Max. 210 mm (8.3 in.)
Roll weight Max. 40 kg (88 lb.)
Core diameter*1 76.2 mm (3 in.) or 50.8 mm (2 in.)
Printing width*2 Max. 1,615 mm (63.6 in.)
Ink cartridges Types 1,000-cc cartridge
Colors Four colors (cyan, magenta, yellow, black)
Seven colors (cyan, magenta, yellow, black, light cyan, light magenta, and light black)
Printing resolution (dots per inch) Max. 1,440 dpi
Distance accuracy*3 Error of less than ±0.3% of distance traveled or ±0.3 mm, whichever is greater
Media heating system*4 Print heater and preheater set temperature: 30 to 45°C (86 to 112°F)
Dryer set temperature: 30 to 55°C (86 to 131°F)
Connectivity Ethernet (100BASE-TX/1000BASE-T, automatic switching)
Power-saving function Automatic sleep feature
Power requirements AC 100 to 120 V ±10%, 11.0 A, 50/60 Hz or
AC 220 to 240 V ±10%, 5.5 A, 50/60 Hz
Power consumption During operation Approx. 1,450W
Sleep mode Approx. 75 W
Acoustic noise level During operation 62 dB (A) or less
During standby 45 dB (A) or less
Dimensions (with stand) 2,750(W) x 785(D) x 1,520 (H) mm (108 (W) x 31 (D) x 59.9 (H) in.)
Weight (with stand) 220 kg (485 lb.)
Environment Power on Temperature: 15 to 32°C (59 to 90°F) (20°C [68°F] or more recommended), humidity: 35 to 80%RH (non-condensing)
Power off Temperature: 5 to 40°C (41 to 104°F), humidity: 20 to 80%RH (non-condensing)
Included items Dedicated stands, power cord, media clamps, media holders, replacement blade for separating knife, software RIP, User's Manual, etc.
  • *1 The media holder for this machine is exclusively designed for media rolls with a paper tube measuring 3 inches in diameter. To use 2-inch media rolls, the optional media flanges are required.
  • *2 The length of the production run is subject to the limitations of the software program.
  • *3 •Media type: Media specified by Roland DG Corporation.
    •Temperature: 25°C (77°F), humidity: 50%
    •Roll media must be loaded correctly.
    •Excluding expansion/contraction of the media.
    •Not guaranteed when the preheater, print heater, or dryer is used.
    •All correction and adjustment functions of this machine have been made properly.
    •Print travel: 1 m
  • *4 •Warm-up is required after the power is turned on. This may require 5 to 20 minutes, depending on the operating environment.
    •Depending on the ambient temperature and media width, the preset temperature may not be reached.

Roland VersaWorks Dual System Requirements

Operating system Windows® 10 (32/64-bit);
Windows® 8/8.1 (32/64-bit);
Windows® 7 Professional / Ultimate (32/64-bit)
CPU Intel® Core™2 Duo, 2.0 GHz or faster recommended
RAM 2 GB or more recommended
Video card and monitor A resolution of 1,280 x 1,024 or more recommended
Free hard-disk space 40 GB or more recommended
Hard-disk file system NTFS format
Optical drive DVD-ROM drive
  • * Roland VersaWorks Dual is a 32-bit application, which runs on 64-bit Windows® with WoW64 (Windows 32-bit on Windows 64-bit).

Optional heater and blower


To further increase your productivity, we recommend our optional heater and blower unit. The new, redesigned heater delivers even temperature distribution across large graphics and dries ink saturated prints quickly during high-speed production. Plus, the optional heater and blower can be installed right on the printer to conserve space in your shop.


Optional DU2-64 heater and blower specifications

Dryer unit Heating type (with blower fan), setting range for the preset temperature: 30 to 55°C (86 to 130°F) *1
Power requirements *2 AC 100 to 120V ±10%, 5.5 A, 50/60 Hz or
AC 220 to 240 V ±10%, 3 A, 50/60 Hz
Power consumption Approx. 750 W
Weight 26 kg (57 lb.)
Power on Temperature: 15 to 32°C (59 to 90°F)—(20°C (68°F) or more recommended), humidity: 35 to 80% (non-condensing)
Power off Temperature: 5 to 40°C (41 to 104°F), humidity: 20 to 80% (non-condensing)
Included items Power cord, arms, bushing, cable clamps, stays, hexagonal wrench, bolts, washers, User's Manual
  • *1 Warm up is required after powerup. This may require 5 to 20 minutes, depending on the operating environment. ·Depending on the ambient temperature and media width, the preset temperature may fail to be reached.
  • *2 Be sure to connect the machine to an unshared electrical circuit. ·Be sure to verify the amperage of the circuit breaker or fuse used.


Model Description
EJ INK EJ-CY Cyan, 1,000cc
EJ-MG Magenta, 1,000cc
EJ-YE Yellow, 1,000cc
EJ-BK Black, 1,000cc
EJ-LC Light cyan, 1,000cc
EJ-LM Light magenta, 1,000cc
EJ-LK Light black, 1,000cc
Cleaning liquid SL-CL 1pc.