My Monster Manual and Player's Handbook from Amazon arrived in great shape and no smeared ink. The PH I bought at a local store had crud all over the cover but it did luckily clean up.
IF the affected batches are consecutive, then may be able to find regions /distributors that got the affected copies ( ie east coast usa) whereas if the batches are nonsequential then the pattern if distribution would be harder to figure out.
Also received my MM from Amazon: My gargoyle is fine, but there is some obvious color weirdness on another page. Thankfully, it's not bad enough to bother replacing.
I got one copy from Amazon.ca, and pages 150 through 155 or so were all joined in the corner as if the pages weren't cut properly. I got a replacement copy shortly after, and it has the ink smudge issue on pages 140 and 141. Hopefully the third time's the charm!