So I have a sort of solution, to anyone who comes looking. It appears that this issue only appears when printing in "Standard" quality on 4x6. My guess is it's due to something about the combination of the wider stripes and the smaller paper. I still...
I'm having the same issue. Just started recently (wasn't happening a few weeks ago) and is only affecting my prints on 4x6 (both glossy and semi-glossy) but for some reason isn't affecting my prints on letter-sized Luster paper.One thing I did notice...