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VUTEk GS3200 Super-wide Format Printer - IT Enquirer

VUTEk GS3200 Super-wide Format Printer - IT Enquirer

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6<br />

can from the operator panel be switched<br />

over to dark inks. This will double the<br />

available nozzles for the dark colours and<br />

will therefore have following benefits:<br />

ÃÃ<br />

Double the speed of the printer<br />

ÃÃ<br />

Low waste when switching from 4 to<br />

8 colours or the other way around<br />

ÃÃ<br />

A quicker return to printing.<br />

exclude media handling before the actual<br />

print run starts.<br />

For our tests, we used two different parameters.<br />

First is handling a job: positioning a<br />

roll of media of 3.2 meters <strong>wide</strong> by an operator<br />

and an assistant. Secondly, we measured<br />

the time it took to switch from roll to<br />

plate. Finally, we also measured the time it<br />

took for an actual print run to finish.<br />

Flexibility in terms of control<br />

The <strong>VUTEk</strong> <strong>GS3200</strong> is controlled by a<br />

machine control panel, but the actual<br />

printing job is sent to the printer through<br />

an EFI Fiery XF RIP controller.<br />

The advantage of this workflow is that<br />

the Fiery RIP acts as<br />

a colour capabilities<br />

controller as much<br />

as a (Postscript) print<br />

job controller. The<br />

Fiery RIP will for<br />

example detect errors<br />

in the print file<br />

before it ends up at<br />

the printer’s control<br />

panel. These errors<br />

can therefore be corrected<br />

before the job<br />

gets queued, leaving<br />

the operator with a<br />

‘clean list’ of jobs that are guaranteed to<br />

print correctly.<br />

Performance<br />

Speed on super <strong>wide</strong> format printers is<br />

expressed in square meters per hour, but<br />

almost no vendor will explain how they<br />

measure. For example, tests can include or<br />

The <strong>VUTEk</strong> <strong>GS3200</strong> uses a proprietary technique,<br />

called ‘smoothing’ by the EFI/<strong>VUTEk</strong> people. This is<br />

a software controlled technique of firing ink droplets.<br />

Without smoothing reflective banding can occur as a<br />

result of the print head firing droplets from left to right,<br />

and from right to left.<br />

<strong>VUTEk</strong> has solved this problem by developing an algorithm<br />

that mixes some of the droplets from the leftto-right<br />

firing sequence with the right-to-left sequence.<br />

This effectively and efficiently produces smooth transitions.<br />

We used two different speed setups, both<br />

with 8 colours: one with 600 dpi and the<br />

other with 1000 dpi.<br />

At 1000 dpi and heavy smoothing applied<br />

(highest possible quality, identical to photo<br />

print), we witnessed the <strong>GS3200</strong> providing<br />

a sustained throughput speed of 30 square<br />

meters per hour on a solid area of blue,<br />

including changing<br />

the media in-between<br />

printing jobs, which<br />

took 45 seconds to be<br />

exact. The test was<br />

performed using one<br />

3.2 meter roll printing<br />

a landscape fill of 180<br />

cm x 140 cm.<br />

At 600 dpi and light<br />

smoothing, performance<br />

rose to 84 square<br />

meters/hour.<br />

In real-world circumstances,<br />

these figures are quite high. Although<br />

some manufacturers will advertise<br />

much higher speeds, the top speed at<br />

which a super <strong>wide</strong> format printer is capable<br />

of producing usable quality results is<br />

sometimes 50% lower than the brochure<br />

text promises.<br />

The <strong>VUTEk</strong> <strong>GS3200</strong> isn’t a speed demon,<br />

but the quality level at which this printer<br />

outputs a job is far higher than what one<br />

© <strong>IT</strong>-<strong>Enquirer</strong> Reports – Erik Vlietinck 2010-2011 - All Rights Reserved. Reproduction and distribution of this publication in any form without prior written permission is forbidden. The information<br />

contained herein has been obtained from sources believed to be reliable. E. Vlietinck disclaims all warranties as to the accuracy, completeness or adequacy of such information. Although E. Vlietinck’s<br />

research may discuss legal issues related to the information technology business, he does not provide legal advice or services and his research should not be construed or used as such. E. Vlietinck<br />

shall have no liability for errors, omissions or inadequacies in the information contained herein or for interpretations thereof. The opinions expressed herein are subject to change without notice.<br />

For information contact: info@it-enquirer.com.

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