Laser not cutting all of project. PLEASE HELP!

It has been doing this lately.

Does anyone know why and how to fix it. Many thanks.

Good morning!
you where up early working!

Ok, you clean everything, make sure the mirror doesn’t have shmutz on it?
can you cut a gift of good measure?
make sure that the laser is working properly?


What material is that?

For an exhaustive discussion of troubleshooting this kind of issue, read #5: