Lines on one side of print, almost perfect on the other side

[agiorgitis]

See some photos here, I found the post!

Apparent layer shifting but...strange

All, I think the problem has been resolved, so I wanted to report back. I did file a support ticket, and Formlabs quickly helped out. After some diagnosis, I was basically advised to take two steps, clean the optical window and clean/lube x-axis: When I went to clean/lube the x-axis rod, I was surprised to find very visible contamination. In retrospect, I should have just opened the printer and looked around with a flashlight, it would have been obvious something there was abnormal. …