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Suddenly AWFULL quality


I am having a problem that is causing me to lose a lot of money and work.
Suddenly and without any changes to the printer, I am having terrible quality in certain places on the surface of the printed part. The surface, as you can see in the photos, seems to have a lot of overcured resin and the supports in certain places are joined together and with the piece, acting as if they were a “Rock”. Also, some holes that should not close because they are big, are closing.

Some photos:


I discard that it is the resin, because I tried both with Gray resin and with White V4 resin. I also leaked the resin and it keeps happening
I discard cleaning because i cleaned main mirror, optical glass, galvos and also the laser beam

THe tank looks like this: