Continuous Ink Jet

A continuous inkjet printer is an industrial inkjet printer that applies changing codes to products and packaging without touching them. It generates a steady stream of ink droplets, charges and directs selected drops to form characters, and recirculates unused ink. This allows a CIJ printer to code flat, curved and uneven surfaces as products move along a line. Typical information includes dates, batch numbers and traceability codes. LETO Technology selects the printer and ink around the packaging material, code requirements and production environment, then provides installation, commissioning and operator training.

A CIJ printer can print use by and best before dates, batch and lot numbers, serial numbers, barcodes and other traceability information. Suitable models can also print 2D and QR codes, provided the code size and print quality meet the application’s requirements. As a batch coder or date coder, CIJ applies variable information during production rather than requiring a different packaging design for each batch. LETO assesses the code content, position, contrast and durability alongside the production line. For food packs, the result needs to stay readable through handling and storage; a clear code straight off the printer is only the first check. Explore food-grade coding applications.

Continuous inkjet printing can code plastic, flexible film, glass, metal, paper and cardboard when the ink suits the surface. LETO assesses adhesion, drying time, contrast and durability, as well as moisture, temperature and chemical exposure. The same ink should not be assumed to work across every pack. Applications include PET bottles and metal and aluminium cans. A representative application in LETO’s feedback is food packaging made from flexible film or pouches, using fast-drying Videojet ink. Final ink selection is made around the actual material and line conditions, with sample testing where required.

The right Videojet CIJ printer depends on operating hours, line speed, substrate, code detail and integration needs. LETO lists these seven models:

• Videojet 1280: single-shift or intermittent lines with basic integration.
• Videojet 1580+: medium to high throughput with basic integration.
• Videojet 1580 C: high-contrast printing on dark materials using soft-pigmented ink.
• Videojet 1880+: round-the-clock work, demanding conditions and complex integration.
• Videojet 1880 C: bold codes with pigmented ink and dye-based-style operation.
• Videojet 1880 HR: fine characters and high-resolution 2D or QR codes.
• Videojet 1880 UHS: the fastest production lines.

A sample pack and the proposed code help narrow the choice.

A CIJ printer’s cost depends on the model, ink requirements, production-line integration and ongoing support, so LETO quotes against the application. Compare the initial equipment cost with ink, make-up fluid, cleaning fluid, spare parts and servicing over its working life. LETO’s involvement can include sample testing, equipment selection, installation, commissioning and operator training, rather than equipment supply alone. Equipment leasing is also an option to discuss. Send LETO your packaging material, code example, line requirements and operating pattern through the contact page so the quote reflects the setup you need.

CIJ is useful for non-contact coding on moving products, particularly where the surfaces are curved or the packaging range varies. Thermal inkjet is an option for detailed codes on cartons and other suitable materials; laser marking produces a lasting mark without ink. Thermal transfer overprinting is designed for flexible packaging and labels, while large character inkjet addresses case and carton coding. LETO supplies these technologies and assesses the complete application before recommending one. Its sample assessment considers adhesion, contrast, durability, environmental conditions, current requirements and future needs, giving the choice a practical basis.

The right CIJ ink depends on the packaging material and the conditions the printed code must withstand. LETO selects Videojet inks around adhesion, drying time, colour, contrast, temperature, moisture and chemical resistance. A fast-drying ink for a film pouch may not be the right choice for a chilled bottle or dark plastic container. LETO supplies genuine Videojet continuous inkjet inks, make-up fluids and cleaning fluids, together with consumables and spare parts. Safety data sheets are available for the supplies. Where the result is uncertain, LETO can test your packaging before making the final ink recommendation.

LETO can arrange sample testing on your products or packaging to assess a proposed CIJ printer and ink before the solution is finalised. Most testing is completed in Australia, with specialised applications referred to Videojet laboratories overseas where needed. LETO advises a typical turnaround of approximately four to six weeks, depending on application complexity. Customers receive the tested samples back with a report covering results and recommendations. Assessment includes adhesion, print contrast, durability, environmental conditions and relevant application requirements. Request testing through the Sample Lab form or contact LETO directly; testing can be requested during a project or at another time.

CIJ printer maintenance should match the way the printer is used and the conditions around the production line. LETO identifies insufficient operator knowledge and maintenance practices as recurring causes of equipment issues. Its field engineers carry out repairs and provide basic operator training and practical care advice suited to the customer’s environment. Videojet features such as controlled fluid delivery and automatic printhead cleaning can reduce routine intervention, but staff still need to understand correct operation. LETO offers service packages and technical training, alongside preventive maintenance, breakdown service, genuine fluids and replacement parts.

Videojet Code Assurance features help reduce mistakes when operators select or enter dates, batch numbers and other changing code information. Wrong codes can lead to rework, rejected stock or recalls, so the printer settings need to work alongside the production team’s changeover and checking procedures. LETO’s operator training helps staff understand the equipment and the conditions that affect reliable operation. For control across multiple printers and lines, CLARiSUITE software manages code data centrally. Review how a job is selected, how dates are entered and how the first printed packs are checked before deciding which controls are required.

A suitable CIJ printer can print 2D and QR codes, with the Videojet 1880 HR designed for high-resolution codes and small characters. GS1 Sunrise 2027 concerns the move towards 2D barcodes on retail products, where accurate data and reliable scanning both matter. Packaging colour, code size, surface finish and handling can affect the printed result. LETO can assess the actual product through sample testing, considering print contrast, durability and the application requirements rather than appearance alone. Its guide to 2D code quality covers the preparation involved.

LETO Technology Pty Ltd is an official Videojet distributor partner based in Wacol, Brisbane, supplying and supporting CIJ coding systems across Australia. LETO’s confirmed service covers application assessment, sample testing, equipment selection, installation, commissioning and operator training. Ongoing support includes genuine Videojet inks and fluids, consumables, spare parts, preventive maintenance, breakdown service and technical assistance. This gives manufacturers support from the initial application through the equipment’s working life. See customer care and Videojet warranties, or call 1300 02 02 04 to discuss your production line and the service arrangements available for your location.