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overprinting – what is it?
“Translucent White
For use in backlit applications where illumination is required. The image is overprinted, giving a darker finish when not illuminated, preventing the colours from washing out when lit. Applications include projecting light boxes, illuminated facia signs, and window graphics where backlighting is required. Can be laminated for extra performance.”i have just seen this on a website….just want to clarify what they mean by overprinting…do they mean they print the image twice or something else?
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1 Reply
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You can do either , in some rips there is an overprint setting which just increases ink load to make the print denser ie virtually prints twice
This can lead to bleeding and pooling etc if the media cant handle the ink load. Or you could PHYSICALLY print twice , IE rewind to the beginning and print again. Both these methods use substantially more ink than any other.
However both these methods suck cos there are materials that can be printed with a normal ink load that display just as well when illuminated or not. Saturated colours with and without a back light – but they arent cheap (like 7+ quid per sq meter) and they dont have adhesive backings , but they might be a far better option than double printing.
We also often just use ordinary white vinyl and print singly on it , seems to work well too.
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