Weber Legi-Air 4050E Generation 3 Print Apply System

The Weber Legi-Air 4050E Generation 3 is the latest offering by Weber Packaging Solutions of the 4050 Labelling Systems range. It has the reliability and modularity of its predecessor the LA4050E Version 2 but with on board Intelligence and an enhanced User Interface. In the design of this system Weber has focused on reliability, connectivity, efficiency, and versatility.

With over 15,000 Weber LA4050E Systems installed worldwide we have redesigned and enhanced our best selling product to bring you the latest generation of the 4050 Labelling Systems range. Using the latest technology the Generation 3 LA4050E provides all the reliability of its predecessor but with design features and enhanced connectivity which provides a universal solution to your automation needs.


System Design: The System is modular in design consisting of a powered unwinder, rewinder, applicator module and printer module, which reduces downtime in the unlikely event of a component failure. It has a lightweight chassis that is easy to reconfigure for integration into tight workspaces and easy access to components for shorter service intervals. The System has a pivoting U-Arm mounting which allows the system to be rotated on its X and Y axis for Top, Bottom, and Side Apply making it easy to reposition to suit your individual requirements.

Enhanced Connectivity: Weber’s Legi-Air 4050 E Gen3 is equipped with an optional Logic Controller and all necessary interfaces for automation, allowing to connect to other systems via Fieldbusses or OPC/UA. It comes with all of the standard communication interfaces for data transfer to the Print Engine and on board IOT to gather system data including an ultra-modern touchscreen display to make configuration and management more user-friendly.

Versatility: The System comes with a choice of Print Engines giving you flexibility in your choice of Printer and with this the added benefit of a choice of Print Resolutions from 200dpi to 600dpi to suit your printing needs. The system easily adapts to changes Product Surfaces with a choice of Label Application options and Label Sizes from 10mm x 5mm to 173mm x 350mm. Our Application Modules provide over 1800 configurations for Dual and Single Label options.

Efficiency: Our latest Generation 3 Systems all come with enhanced pneumatics that provide greater Labelling Accuracy at speeds of up to 400mm per second. The latest technology in vacuum modulation means that the system can operate at a greater level of efficiency with lower air consumption which saves energy and running costs for your business. 

Service and Support: Our Worldwide network of Distributors and Weber manufacturing sites gives you the peace of mind knowing that you have dedicated technicians available with 24/7 support through our network of partners making us a Global Supplier for Global Companies. 


Adobe Reader is required to open and view PDF files. This can be downloaded free from

Available Documents

Legi-Air 4050E Gen3_opt
Legi-Air 4050E Gen3 data sheet_opt

    DNP M265 Wax/Resin Thermal Transfer Ribbon

    M265 offers unique combination of printability and resistance: it prints like wax/resin but provides resistance similar to resin performances. It is unbeatable for applications where high resistance is needed but resins are limited in terms of print sensitivity or high speed adaptability. M265 prints up to 12 IPS with standard anti-static and backcoat properties, and also prints on varnished or pre-printed labels.

    View Product

    Model 5300 Series Corner-Wrap Label Printer-Applicator

    Weber’s Model 5300 Corner-Wrap label printer-applicator combines high-quality label printing with a specially designed label applicator that affixes a single label around the corner of a carton as it travels via conveyor line.

    Choose from a wide range of 203, 300 and 600 dpi print engines
    Capable of handling print speeds up to 16 ips
    Numerous I/O’s ease interfacing with external devices
    Monitor the operation via a web browser from anywhere
    Available with RFID capability

    View Product

    MC3200 Mobile Computer

    Redefine productivity and reliability with the MC3200 mobile computer, the next generation in the class-leading MC3000 Series, now with more options to meet your needs. Choose the right operating system for your business – Android Jelly Bean or Microsoft Embedded Compact 7. Your choice of our most advanced 1-D laser or 1-D/2-D imager scan engine allows your workers to easily capture barcodes in any condition.

    View Product

    Weber LA4050WO – Wipe On Printer Applicator

    The Weber 4050WO is a simple low cost Wipe on label applicator which comes with a choice of Print Engines dependent on the customers requirements. This system is suitable for Top, Bottom, or Side Labelling of Flat Surfaces with a choice of Dispensing Beaks to cater for any Labelling Challenge. The System is easy to integrate into an existing Line or as a Standalone Labelling System mounted on its own Stand.

    View Product

CTA Form