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The client was undertaking a store refurbishment programme, and as part of this, new lightbox units were to be introduced into stores at a rate of 10 per week.

Each unit had to contain 2 high quality lightbox graphics. The lightboxes were currently being produced on Duratrans (short for Durable Transparency) translucent-base film. However, the sheer quantity involved in the project meant that the cost of the material used had to be reduced.

Whilst a substitute material was required, the quality of the graphics could not be compromised and still needed to be backlit.

As an alternative substrate, both lampshade PVC and white translucent Polypropylene materials were tested. These were litho printed onto both sides to create the desired strength of print.

Although this was a less expensive method of production and both materials were acceptable alternatives, the image density was not as strong as in previous iterations.

Cestrian continued tests to improve the quality, and ultimately found the perfect solution. Instead of litho printing the image on to both sides of the material, production was switched to the M-Press digital press. It was discovered that, by increasing the artwork image strength in studio and pre-press, printing on to one side of the material delivered the necessary quality.

The final outcome was achieved using an M-Press Tiger with a maximum sheet size of 2.6m x 1.6m and resolution up to 720dpi capable of 770sqm per hour.

Text and Images were printed single sided onto white translucent polypropylene suitable for a range of applications that include retail graphics, signage and POP.

The solution provided high quality perfectly registered prints with excellent colour strength.

The solution provided the following benefits;

• High quality perfectly registered prints
• Faster production times
• Cost reduction from original Duratrans production (110% saving)
• Excellent print strength in light box situation
• Environmentally friendly option printing on the white translucent polypropylene