Ink & Ink Dispensers
Ink, dispensing and printhead design: A systems view for modern converting
By Phil McMullin, head of sales, commercial & industrial printing, Epson UK
I
n the race to diversify, digitise and deliver shorter runs with higher value, the converting and print industries have understandably focused on hardware speed, automation
and workfl ow integration. Yet one of the most decisive factors in performance often receives less strategic attention: the relationship between ink chemistry, how it is dispensed and the evolving role of the printhead itself.
As demand fragments and substrate variety increases, these elements are becoming less like separate components and more like a single performance system.
FROM CONSUMABLE TO CAPABILITY The expansion of digital print into converting environments has been driven as much by ink innovation as by hardware or software advances. Today, PSPs and converters are expected to move between outdoor durability, indoor applications and multi-substrate production within the same workfl ow.
This has elevated the importance of inks that can support multiple use cases. Eco-solvent systems remain widely used for durable outdoor signage, while UV-curable and resin-based technologies are increasingly important in packaging prototypes, décor and applications where odour, fl exibility, or curing method matter. What is changing is not only the range of inks available, but how seamlessly they can be deployed across production. Single-platform systems that can handle multiple media types, such as vinyl, fi lm, canvas, or wallpaper, are helping converters reduce operational complexity and expand service off erings without multiplying equipment footprints.
THE PRECISION FACTOR If ink defi nes what is possible, dispensing defi nes what is achievable.
Ink ejection technology has a direct impact on consistency, effi ciency and repeatability.
The industry shift towards piezo-based systems refl ects a broader move away from thermal processes towards mechanically controlled droplet placement. The benefi t is not only improved image quality, sharper edges, smoother gradients and better tonal control, but also greater stability across diverse ink chemistries. This is particularly important in converting environments where brand accuracy and repeatability are critical. High-performance platforms such as the Epson SureColor S9100 demonstrate how this precision translates into production reality. With advanced printhead architectures and expanded colour sets, these systems can deliver both speed and accuracy, supporting high-throughput environments without compromising output quality.
More precise deposition also improves material
effi ciency. Reduced overspray and tighter droplet control can signifi cantly lower ink consumption and substrate waste, which becomes commercially important at scale, especially in packaging and high-volume retail graphics.
PRINTHEADS AS PART OF THE PRODUCTION LIFECYCLE
A key shift in digital converting is the reclassifi cation of printheads from static components to managed lifecycle assets. Downtime remains one of the most expensive risks in production environments, particularly where print is integrated with fi nishing lines. As a result, hardware design is increasingly focused on reducing dependency on external servicing and
improving operational resilience. Some newer systems, such as those in the latest generation of wide-format platforms, including the Epson SureColor S-series, have introduced user-replaceable printhead concepts to reduce reliance on engineer callouts and improve uptime continuity. While approaches vary across manufacturers, the direction of travel is clear: printheads are becoming part of a more modular, operator-managed ecosystem. Total cost of ownership beyond ink price For decision-makers, ink strategy is increasingly tied to total cost of ownership (TCO), but not in the narrow sense of consumable cost per litre. TCO now includes downtime, maintenance frequency, waste, energy use and component lifespan. Dispensing precision plays a central role across all of these factors. Even small ineffi ciencies in droplet placement can accumulate into meaningful material waste over long production runs. Similarly, unstable ink delivery can increase rework rates or reduce fi rst- time-right output, both of which directly aff ect margins in converter-led workfl ows. At the same time, systems that reduce mechanical wear and stabilise output over longer cycles can improve overall equipment eff ectiveness (OEE). These gains may be incremental, but in tightly priced converting environments, they compound into measurable commercial advantage.
For converters, the key strategic question is shifting. It is no longer only about selecting equipment based on speed or resolution, but about identifying the ink and dispensing ecosystem that best supports operational resilience, application fl exibility and long-term cost control.
In an environment defi ned by shorter runs, higher expectations and constant change, performance is increasingly determined not by single components, but by how well the system works together under pressure.
28
May/June 2026
www.convertermag.com
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58
