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The following is a guideline for printing on the ValueJet with the Mutoh Eco Ultra Ink Set.

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Posted: 22 Feb, 2008
by: Anderson R.
Updated: 26 Oct, 2012
by: Anderson R.
There is not a hard and fast rule for temperature settings for these media in all applications.
Temperature settings vary according to the environment conditions of the printer (and the stored media), and in some cases, lot to lot variances in the media themselves.
 
Temperature set points are dependant on the media’s ability to absorb and adsorb ink, environmental conditions and the profile used for that media. They must all interact together to optimize print quality.
Higher temperatures are generally preferred to control ‘dot gain’ and optimize profile performance.
In general, the limiting factor for maximum heat settings is that point at which the media distorts enough to cause printing abnormalities from media ‘height’ variances (normally seen as vertical stripes of color shade variance) or the physical striking of the print head on media that cockles or buckles up (normally seen as ‘scuff’ marks in a vertical orientation).
 
Recommended starting temperature settings:
 
For Ink Jet Vinyl –
40 preheat, 42 platen, 50 dry. 
The exception is 3M IJ180, 45 preheat, 30 platen, 50 dry.
 
For Vinyl Banner media
            35 preheat, 38 platen, 50 dry
 
For Paper type media
            50 preheat, 50 platen, 50 dry. Paper media for Eco Ultra Ink must be a coated media appropriate for the ink set.
 
For ‘Flag’ type media
            50 preheat, 50 platen, 50 dry. Flag materials are typically thin fabrics that have an ink jet receptive coating. Ink will typically wick and the image will bleed, becoming fuzzy at too low of a temperature setting, not allowing quick enough ‘dot gain’ control.
 
For backlit media (coated polyesters)
            38 preheat, 40 platen, 45 dry
            This is a very special application due to the nature of the base media and the inks interaction with the coating itself.
            This media is often printed using a double strike method, where the head makes two identical passes before the feed is indexed, a delay between these passes is used to facilitate drying of the previous pass and to allow for some resetting (hardening) of the coating. Too much ink too fast will separate the coating from the base material, causing coating failure, orange peel, or reduction in image quality, Too much total ink will result in banding that may not be obvious until the media is backlit, backlit media should be fully dried and the coating should be allowed to reset before evaluating image performance.
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