DSF

Just wondering if anyone knows exactly why an area of this print has came out 'blotchy' (best word I can think of to describe it!). Printed at 190 for 160 seconds on medium pressure. I'll try a few different times, pressure etc but thought I'd stick it on here incase anyone had an suggestions please?
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It could be a number of things.

moisture
pressure
the paper
the press

I would say moisture but I don’t print glass so take that with a pinch of salt.