Thanks people, contacted Graham who agreed with diagnosis.

Quote for spares with the head teacher

Cheers NIck

Thanks for replies,

What sort of money are we looking at for a tube?

Cheers Nick

Hi, we have been using our laser cutter for about 8 years now. We have just started having trouble cutting multiple pieces from a full size sheet of 3mm acrylic (304x608). For example we wanted to cut a full sheet of discs with a hole to make little wheels. The problem is, it only cuts about 10 disc...