I recently updated a 400mmx400mm Golden Laser 50W Chinese laser cutter with a Ruida 6442S, updated drivers, and Lightburn. When I cut small jobs or or a small number of jobs, everything is fine. However, if I try to cut multiple parts, even if they are identical, in the same job; I am get engraved lines that are not straight on part of the piece. Identical parts also seem to have the same error. This is not slippage, and doesn’t change with speed or machine acceleration. I have also tried connecting via USB, ethernet, and sending the file to controller before cutting. The problem also seems to be random, but once an element is cut wrong the machine repeats the same error within a job. I have attached a picture of the issue. Incorrect lines are marked in red, and correct one are marked in blue.
Any help would be greatly appreciated.