Tube problem or what?

Hello friends!
Im having a problem with my 1390 Co2 Laser machine when i try to engrave photos.
Im using 25% of power in one 100w reci w2 tube.
Problem is that laser starts to engrave for 20-30 seconds and after power drops to much and not engraves nothing.
Power supply shows around 0.5 to 0.9 ma with 25% power.
I did some test with 50-60% and shows around 11 to 15 ma.
With 80% reaches 27 ma.
Another strange thing is that i tried to engrave txt with 25% and all goes fine.
I dont know why with bmp images happens this.
Thnx in advance!

Pls someone help me with vendor and user settings files for 1390 laser because i reset to default and now axis move bad.

Anyone wich can help me??

Which company did you buy from?

This is an old post but, if using RDWorks change your your page settings to match your machine. You can also rest home on the machine by setting it manually with the origin button. Your machine's control software my be trying to reach a home point that your machine cannot get to.

Sent from my SM-G935F using Tapatalk