Laser wont cut through only in top left corner

A laser wont cut only through one place on the machine. Top left corner. Everything else cuts just fine. Laser is at 66mm at every point of the material. Lenses are clean. I even put the fixtures on the end of the material as material is slightly bended a little so in order to lay flat. Red on the image is where it wont cut, green is the fixture on all four ends. Any ideas what might be the issue?


One possibility is that your bed is not level. I have that problem because the power bed lift caused the belt to slip since there is no lower limit switch on my Redsail laser. Try checking the focus in all corners of your bed

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But I have equal distance from the material to laser in all points should that mean the focus is then OK_ Or could it be that bed is not leveled even if I have same distance from material to laser. How do you check the focus? Im not new at this but anyway not as much experience as I would want…

If all the mirrors are clean and the lens is clean, then it’s possibly a mirror alignment issue.

I will try this, this one I havent tried. But sometimes it cuts sometimes it doesnt and I have never adjusted mirrors myself …so far. If there are any other ideas or someone with the same issue…shoot all the possible reasons all solutions you encountered :slight_smile:

This is a good video about alignments. Even though you probably have a very different head system.

You have to align it anyway and at 33:10 he advises how to handle what may be your issue.

Good luck

:smile_cat:

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