In digital ink-jet printing, the printing software controls designs, colour calibration, coloration, colour resolution and ink-jet printer operation. The design, either scanned or produced with creative software, is translated into a high-resolution image file. Interactive functions, such as the repeating of the pattern, retouching or processing of half tones, cleaning-up and defining of the contours, are the basic requirements. Ordinary design software packages such as Photoshop and Freehand, offer good value. A design created in this way is already based on digital data and can therefore be further processed without loss in quality and in the shortest possible time. The simulation of print samples by ink-jet printer should replace the conventional sample table. The use of multiple colours, which is synonymous with textile printing, has been achieved recently with printers that use up to 16 different colours. This permits colorations made up with colour mixtures and spot colours. Calibration of the ink-jet printer is indispensable, and the only way to achieve a true translation from computer screen to print result.
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