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Hi guys,

I’m min new to dye sub and am trying to figure out why this us happening.
im pressing my 15oz mug at 400 for 180 seconds on a mug press. I have other designs that will come out perfect but then we tried this with the same settings and it turned out gray.
Any ideas or suggestions so that I don’t just keep wasting blanks?

when we put it in the middle and did it again then it turned out perfect and then when we tried it again it turned out gray.
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From my notes on things that can go wrong with sublimation:

- If the black has a greenish tint to it, it hasn’t sublimated long enough and needs more time

- If the black has a brownish tint to it, its sublimated for too long and has lost color and needs less time

Don't know if that helps, or makes sense with what you are seeing, but your "gray" image looked sort of brown to me.
 

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It's odd that there is so much ink on the paper still. I normally do my mugs at 385F for 190s under heavy pressure. What kind of paper are you using?
 
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