water stain like marks on solid prints

I am running a HP Latex 300 printer. I have run a few jobs now with a full solid - black, red or dark green. I have noticed that there are marks on the prints after it dries. I cannot tell what it is and what's causing it. I am hoping someone has encountered this before so I can remedy the problem. Attached are some photos.

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This looks like it could be the media itself. If this only happens with one media, this one might be expired. Please be sure to use the correct profile for the substrate being used. I suggest you to check on the HP Media Solution Locator. If issue persist with a new roll then you should contact their reseller for support.

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#2 have you tried also increasing your pass mode so it stays in the dryer longer

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#3 We tried that but the mark was still there. It may have been the roll of media. When we switched to a newer roll of the same material, the issue went away.

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Wipe the media down with alcohol before and see what happen. If it is placizers migrating to the surface then you will know you have bad roll of media. If it has been recently purchased make your supplier replace it.

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