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Based on award-winning VersaUV technology, the 64" LEJ-640 prints CMYK, white and clear coat on virtually any substrate up to a half-inch thick. With the LEJ-640, you can print white on a variety of clear and colored media for text and graphics that stand out.Layers of clear coat finish your graphics with custom patterns and embossing effects, perfect for premium brands. As a hybrid printer, the LEJ-640 accepts both roll and flat media substrates from films to Gatorfoam®. Now with just one device, you can explore a world of applications, from packaging prototypes and POP to wide-format signage, décor, exhibits and window displays.
Feature Summary
- 64" hybrid UV-LED inkjet printer
- Roll-to-roll mechanism for handling roll media
- Rear and front folding tables support rigid materials up to a 13mm thick, including 4' x 8' sheets
- Automated sensor technology prevents head collision and eliminates user errors
- Environmentally friendly ECO-UV inks
- Lowest power consumption in its class
- Layered Clear produces unique textures and finishes
- Supports hundreds of media options including synthetic papers, BOPP, PE, PET film, corrugated cardboard, foam board , Gatorfoam® and more
- Safe, long lasting and energy efficient LED Lamps
- Intelligent Ink Circulation System prevents white ink from settling
- Software drivers available from leading providers of color management and proofing software (CGS, GMG, EFI)
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Unsurpassed Media Compatibility
VersaUV supports printing on BOPP, PE, PET film, offset printing stock and more. The low heat UV LED lamps allow printing on heat-sensitive media such as shrink wrap, pressure sensitive media and paper stocks with no risk of damaging the substrate. You can also use the VersaUV to create original patterns and 3D domed corporate logos directly onto synthetic and natural leathers and to customise window coverings, tapestries and other interior décor items. The LEJ-640 enables printing on rigid media such as corrugated cardboard for folding cartons, polycarbonate sheets for membrane switch applications and Foamcore or Gatorfoam® for POP and exhibit walls.
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Environmentally Friendly ECO-UV Ink
Across an unprecedented range of substrates, the LEJ-640 prints ECO-UV inks in CMYK + White + Clear. The LEJ-640 can be configured with any of these three ink combinations:
- CMYK + White + Clear
- CMYK + White + White
- CMYK + Clear + Clear
As the most versatile ink configuration, CMYK + White + Clear can be used for a wide range of applications including packaging prototypes, labels, high end press-proofs and unique textured graphics.
The CMYK + White + White mode achieves higher opacity without slowing down the printing with overprinting, perfect for white text and graphics, undercoats and to enhance the brightness of four-color prints. The white produced with this ink configuration can be up to 1.5 times more opaque than the normal white, all without requiring a complicated workflow or overprinting.
ECO-UV Clear adds remarkably rich special effects ranging from high-gloss finishes for area highlights to custom-textured effects such as faux leather, crocodile skin and even Braille. The CMYK + Clear + Clear mode can build up three-dimensional textures twice as fast as the normal ink mode and can produce more dramatic effects with bigger reliefs.ECO-UV ink shines for indoor graphics, offering superior scratch and chemical resistance. Outdoors, ECO-UV ink lasts up to two years when Clear is applied as a finish and up to six months without Clear. ECO-UV ink is packaged in no-mess 220ml cartridges and safe after curing. With ECO-UV ink, proper ventilation is recommended. The LEJ-640 series is ventilation-ready, featuring a connector on the back of the printer for easy connection with an air filtration system.
ECO-UV ink adheres to a wide range of treated and untreated substrates with exceptional color gamut. Instant-drying and flexible, ECO-UV ink produces prints that can be stretched and applied around curved surfaces and edges without cracking.
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Production Print Speeds
The LEJ-640 features large UV-LED lamps to expedite production with a maximum print speed of 12.4 sqmt./hr. in High Speed mode. The 1440x1440 dpi mode produces press-proofs with flawlessly smooth gradations, super fine details and sharp text on actual substrates used for production. Roland Intelligent Pass Control™ ensures consistent print quality with virtually no signs of banding in all print modes.
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Innovative Automated Ink Circulation System
The automated Ink Circulation System circulates the white ink in the LEJ-640 every eight hours to prevent the settling of pigments in the lines. In addition, this system controls the discharge of white ink and minimizes waste by monitoring the white ink usage and the types of jobs that are printed.
By preventing unnecessary discharges and minimizing the amount of ink that is subject to settling, this automated system significantly reduces the ink waste and eliminates manual maintenance procedures that add labor and decrease productivity.
Note that, due to the nature of white ink, the white ink cartridge still needs to be shaken prior to use each day as the ink in the cartridge is not circulated by this system.
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Advanced Features
Automated Print Head Management - A built-in sensor checks for proper media thickness preventing head strikes and ensures highly reliable, 1440x1440 dpi printing on the widest range of substrates.
Long Life LED UV Lamps - VersaUV LED lamps last up to 10,000 hours which is ten times longer than conventional UV lamps.
Low Heat - While conventional UV lamps can reach temperatures as high as 800°C (1500°F) requiring complex heat management systems, the LED lamps on the VersaUV series generate very little heat. This ensures that the UV lamps virtually eliminate any heat-related risks such as substrate damage and head crash caused by media deformation.
Instant On/Off - LED lamps can be turned on and off instantly and are ready to use immediately after the printer is turned on. By contrast, conventional curing systems may take up to ten minutes to reach the targeted output level. Conventional curing systems also require complex, noisy and failure-prone shutter systems to protect substrates and head capping systems from exposure to UV light and heat.
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State of the Art Curing System
The staggered arrangement of UV lamps, with the left lamp mounted in line with the print heads and the right lamp mounted forward, is another Roland innovation.This first-of-its-kind configuration enables a choice of gloss or matte Clear finishes. When gloss finish is selected, only the right lamp is used for curing, allowing enough time for Clear droplets to spread and form a smooth surface which reflects light evenly. For matte finish, both lamps are used, curing the Clear droplets shortly after they land on the media to form a rough surface which scatters the light.
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Advanced Media Take-Up System
The LEJ-640 includes an automated media take-up system to facilitate precision unattended printing when using roll media. This pre-assembled unit includes an advanced tension-controlled take-up system for optimum media feed and tracking.
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VersaWorks RIP Software
VersaWorks RIP software has been developed exclusively for Roland inkjet printers and printer/cutters. This true Adobe PostScript 3 RIP ensures exceptional production output with unmatched ease of use and incorporates the latest Adobe CPSI 3019 engine. VersaWorks supports the Roland Color system which accurately reproduces more than 1,000 spot colours from colour charts and swatch books. For the VersaUV VersaUV series, VersaWorks also includes the Roland Texture Library featuring 70 ready-to-use textures that can be applied to designs by layering the LEJ’s clear coat ink. For white ink applications, you can select from either single pass or dual pass modes. In addition, VersaWorks features Variable Data Printing and supports up to four Roland devices simultaneously including printers, printer/cutters and cutters. It automatically estimates the ink usage and print time for each graphic so you can accurately monitor time and costs.
VersaWorks features include embedded ICC profile support, ink level adjustment tools, software proofing capabilities, error diffusion for outstanding print quality and advanced cropping, tiling and nesting options. Support for Roland cutters allows you to pair a Roland cutter with any wide-format or desktop printer for print/cut applications. The PerfCut function produces precision perforated cut lines. VersaWorks 4.0 is fully compatible with Windows 7, Vista, XP and 2000.
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Three-Year Extended Warranty
There's no question that Roland inkjets combine unbeatable performance with legendary Roland reliability. As further proof of their unmatched reliability, Roland is pleased to offer an unprecedented Three-Year Heads and all Warranty on the VresaUV LEJ-640. All that's required for this bonus is return of the registration card with installation information within 30 days of your purchase and confirmation* that Roland inks are running in the machine.Additional Terms and Conditions apply - please review the warranty statement.
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Roland OnSupport Online Production Assistance
The LEJ-640 features Roland OnSupport, an online customer support system allowing users to remotely track the status of VersaUV activities. The system sends e-mails to users notifying them of important information such as when a job is completed and when ink is running low. With Roland OnSupport, users can also quickly download firmware updates and important product information by accessing an exclusive website with just one mouse click. -
Roland Intelligent Pass Control
Roland Intelligent Pass Control technology developed by Roland software engineers represents the pinnacle of inkjet printing. This patent-pending system precisely controls dot placement between passes and delivers unprecedented imaging performance in all resolutions. The technology actually enhances image quality at higher print speeds thereby increasing productivity. As a result, the LEJ-640 produces smooth gradations and flawless solid colors while achieving faster throughput with virtually no banding in all print modes. -
Environmental Certifications
The LEJ-640 requires a fraction of the power required by conventional UV printers and can be operated on a standard electrical outlet without an additional power supply. This low power design automatically saves thousands of dollars in electric bills each year and reduces considerably the emission of green house gases.In addition, the LEJ-640 uses a light source that is completely ozone free and emits light in the range called Near-UV of the UV spectrum, making it a safe alternative to conventional UV lamps. The LEJ-640 carries Roland’s Eco-Label for environmental compliance.
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Standard Roland Features
Network Connection - Equipped with Roland’s own 100 BASE-TX/10 BASE-T interface, the LEJ-640 connects seamlessly to office networks without additional software, achieving an increased data transmission rate of 100 Mb/sec. This makes it easy to configure a highly efficient printing environment.Reliability You Can Count On - The LEJ-640 is designed to be a bulletproof production machine. With regular maintenance, it will provide years of trouble-free service. But, unlike most inkjets that require daily maintenance, the LEJ-640 requires significantly less servicing.
Quality Assurance - Roland’s international ISO certification is your quality assurance. We build reliable, high-performance products and back them up with first-rate customer service and a wide variety of supplies and accessories.
Realistic and Accurate Package Prototypes
Whether it’s a box, bag, label or shrink film, the VersaUV series prints vibrant CMYK plus White plus Clear Coat.
Read More
POS & Display
Discover the versaility of wide-format for all types of signs, POS and graphics.
Read MoreModel LEJ-640 Printing method Piezoelectric inkjet / Grit roller feed Acceptable media Width Roll media: 210 to 1625 mm (8.3 to 64 in.) / Rigid or cut sheet: 250 to 1625 mm (9.9 to 64 in.) Thickness Roll media: Maximum 1.0 mm (39 mil) with liner / Rigid or cut sheet: 13 mm (0.51 in.) Weight Roll media: Maximum 40 kg (88 lb.) / Rigid or cut sheet: Maximum 12 kg (26 lb.) Roll outer diameter Maximum 210 mm (8.3 in.) Core diameter 76.2mm (3 in)
50.8mm (2 in) [requires optional flanges]Media take-up system Maximum 210 mm (8.3 in) outer diameter / Maximum 40 kg (88 lb.) weight Printing width Maximum 1615 mm (63.6 in) Maximum Printing Speed 12.4 sqmt./hr. (133 sqft./hr.) in CMYK mode Ink Cartridges Type 259 to 1615 mm (10.2 to 63.6 in.) ECO-UV inks Capacity 220 ml (± 5 ml) Colors 6 colors (Cyan, Magenta, Yellow, Black, White and Gloss) Configuration CMYK+Gloss+White, CMYK+White+White or CMYK+Gloss+Gloss Ink curing unit Dual UV LED Lamps Printing resolutions 360x720 dpi, 720x1080 dpi, 720x1440 dpi, 1440x1440 dpi Distance accuracy Error of less than ± 0.3 % of distance traveled, or ± 0.3 mm (0.012 in), whichever is greater. Interface Ethernet (10 BASE-T / 100 BASE-TX, automatic switching) Power-saving feature Automatic sleep feature Power supply Voltage and frequency AC 100 to 240 V ± 10%, 50/60 Hz Required power capacity Maximum 5.7 A Power Consumption During operation Maximum 500W Standby mode Approx. 15.2 W Dimensions
(with stand)Without table unit : 3184[W]x836[D]x1281[H] mm (126[W]x33[D]x51[H] in) / With table unit: 3184[W]x3658[D]x1281[H] mm (126[W]x145[D]x51[H] in) Weight (with stand) Without table unit: 240 kg (530 lb.) / With table unit: 316 kg (697 lb.) Environment Power on Temperature: 20° to 32°C (68° to 90°F) (22°C [72°F] or more recommended) / Humidity: 35 to 80% (no condensation) Power off Temperature: 5° to 40°C (41° to 104°F) / Humidity: 20 to 80% (no condensation) 
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