I don't know POS-80 in special (
this[
^] is it?). But if you are a serious developer you forget Crystal Reports in this case. You might have Windows driver for it - or even worse, you might not have... but it will be never efficient. Haven't you seen a dot matrix printer printing in text mode, and in windows driven graphics mode?
First of all, search for a complete documentation. If it is
Epson compatible[
^], than you might have better chances to find even a component for it.
Now consult the documentation and find out how to control it on low level. Forget the Windows driver. Yes, it might be considerable amout of work to compared to dragging any report components, but only this way you will have full speed and even use the cut function.
This might be a starting point:
How to send cut command in Thermal Printer[
^]