Viper-391S A4 Roll to Roll Single Pass Label Printer
The Viper-391S A4 is a roll-to-roll inkjet label printer designed for high-speed production of color labels on empty sticker rolls. Featuring HP Pagewide Thermal Bubble-Jet technology with 42,240 nozzles, it delivers resolutions up to 1200x2200 dpi at speeds of 10-40 m/min. This model supports a maximum printing area of 8.26 inches wide and handles media such as BOPP, PET, vinyl, and coated paper. It is an ideal solution for label manufacturers seeking on-demand printing without plates.
Key Selling Points
High-Speed Production: Print up to 40 m/min at lower resolutions, enabling fast turnover for label jobs.
Fine Print Quality: 1200x2200 dpi resolution ensures crisp text, barcodes, and images.
Wide Media Compatibility: Handles inkjet-coated paper and synthetic films like BOPP, vinyl, and PET, in glossy or matte finishes.
Reliable Roll-to-Roll Operation: Equipped with automatic web-guiding and tension control systems for stable feeding and rewinding.
User-Friendly: Intuitive 3.5-inch LED touch screen control and bundled RIP software for easy job setup.
Cost-Effective On-Demand: No plates or minimum order quantities, ideal for personalized and variable data printing.
Inkjet-coated paper, BOPP, vinyl, PET (glossy/matte)
Media Process
Roll to Roll / Roll to Cut (optional)
Ink Type
Aqueous, dye, pigment, edible
Ink Colors
Black, Cyan, Magenta, Yellow
Ink Tank Capacity
500ml per color, refillable
Power Requirements
9A, single-phase, 220V, 50~60Hz
Acoustic Noise
75 dB (A) or less
Connectivity
Ethernet
Software Requirements
Windows 7/10/11 (64-bit), Intel Core i5 2.5GHz, 8GB RAM
Models and Options
This is the A4 model of the Viper-391S series. Other configurations include the A3 and A5 models with different print widths and nozzle counts. Optional features include an automatic optical web-guiding system, a roll-to-cut module, and an additional 10.1-inch touch computer.
Materials and Structure
Constructed with a high-strength extruded aluminum alloy print beam and a welded carbon steel main frame, the printer ensures stability during high-speed operation. The HP print head assembly uses heat-resistant industrial plastic and precision alloy metal parts. The X/Y linear guide rails are made of high-hardness steel, and the conveyor belt is anti-offset PU/TPU/PET/PP rubber. The ink tank is anti-corrosion modified PP plastic, and the ink pipeline is made of fluorine rubber for chemical resistance.
Applications
This printer is specifically designed for sticker label color printing, including printing on entire empty sticker rolls, label rolls, and for label manufacturers. It is ideal for industries requiring high-speed production of labels with variable data, barcodes, and QR codes, supporting on-demand printing without plate changes.
Customization
Focus Inc. offers OEM/ODM services to tailor the printer to specific customer needs. Options include custom tooling, special ink configurations, and integration with existing production lines. Contact us to discuss your requirements.
Frequently Asked Questions
What is the maximum roll width can this printer handle?
The maximum load width is 12.6 inches (320mm), which is wider than the maximum printing area of 8.26 inches to accommodate media edge control.
Can I print on BOPP and PET films?
Yes, the printer supports inkjet-coated paper and synthetic films including BOPP, vinyl, and PET, in glossy or matte finishes.
What is the minimum order quantity?
The MOQ is 1 unit, making it accessible for small startups and established manufacturers alike.
Is the printer CE certified?
Yes, the machine meets CE standards including EMC, LVD, and MD directives, ensuring safe operation in the EU market.
What is the average production speed?
The speed varies between 10 to 40 meters per minute, depending on the required print resolution.
Can I integrate this printer with my existing die-cutting system?
Yes, the printer can be used with automatic die-cutting, waste removal, and rewinding systems to achieve fully automated production.
What kind of ink can be used?
We offer aqueous, dye, pigment, and edible inks, allowing you to choose based on your application needs.
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