Thermal inkjet printing lot number, expiry and GS1 code on carton

Coding & Marking

Selecting the right coding and marking solution

There are several coding and marking technologies available, each with their particular strengths, allowing us to satisfy a range of applications.

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Thermal inkjet printing

Thermal Inkjet (TIJ) technology delivers high-resolution, high-speed coding. The compact units are mess and maintenance-free and require minimal downtime, due to their interchangeable ink cartridges.

If you are looking to print variable information such as date codes, batch numbers and 1D/2D barcodes, our TIJ printers can be seamlessly integrated into your production line alongside existing equipment.

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Crisp, clear prints

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Cost-effective

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Simple integration

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Maintenance-free

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Large character marking (LCM) printers

Large character marking (LCM) printers allow for large amounts of high-resolution information previously carried on a label to be printed directly onto outer cases and shipping boxes.

By switching to printing directly onto the box, you save costs on consumables, printing, and the need for an application system. With the ability to print a barcode to the required standard, the savings of direct box printing are substantial.

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Reduces waste

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Crisp, clear prints

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Simple integration

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Cost-effective

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Thermal transfer printing

Thermal transfer overprinting (TTO) is ideal for applications that require a large amount of information to be printed, typically onto flexible film, label stock and medical paper (Tyvek®).

A print is made by placing thermal transfer ribbon between a heated printhead and the product. The heat passes through the ribbon, releasing the ink, which adheres to the substrate, cooling rapidly, resulting in a permanent print.

TTO coders are also suitable for printing high quality variable data, barcodes and images onto packaging material, for a wide range of industries.

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High resolution

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Proven technology

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High maintenance

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Costly to run

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Hot foil coding

Ideal for the printing of discrete LOT identification onto cosmetic cartons.

Hot foil technology is reliable, economical, and low maintenance, making it ideal for printing use by dates, lot numbers, batch codes and expiry dates. It is also versatile in that it can print metallic codes – something other technologies cannot do.

It works by pressing a heated metal die onto pigmented hot foil tape which then transfers to the packaging material.

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High resolution

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Low initial cost

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Slow

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Labour-intensive

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Laser coding

Ideal for the identification and product verification of pharmaceutical cartons.

An environmentally friendly technology, laser coders work by etching or vaporising the surface layer of the material, leaving an inerasable mark.

Scribing laser coders can produce text, graphics, variable and serialised data as well as 2D codes onto a range of substrates.

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High speed

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Environmentally friendly

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High initial investment

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Dangerous

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Continuous inkjet printing

Ideal for high-speed production and printing on curved surfaces.

While sophisticated, these types of printers require careful maintenance and are also limited in their resolution, as only one droplet lands on the product at a time.

The volatile solvents employed can also present a challenge in terms of safe disposal.

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High speed

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Costly to maintain

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Uses hazardous chemicals

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Bulky units

 Rotech providing a live demonstration of an RF Pouch Feeder
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