I made the changes suggested so far, to no avail. I hope this photo shows the problem. Keep in mind that except for top layers all other parts of the part works great
I'm printing on a TAZ 6, with PETG at temp 235: bed 77 with 20% fill and 10 top layers with fan off. There appears to be randomly placed un-poped bubbles that show as bulges in the top finished layer. Any suggestions on eliminating them.