I’m hoping that you were printing two copies of the GOGM at the same time, and that wasn’t one copy with the spread that bad. And rotated 90°.
Support’s going to need to weigh in on it.
If you can take photos of each of your optical components and post them here, support might need to take a look at them as well…there might be a crack or smear on the optics that isn’t immediately obvious.
Here’s what to take pictures of to show to support:
