Air assist alert
Your Glowforge has a small but powerful fan directed right where the laser contacts the material, called the Air Assist Fan. It’s under the laser arm, behind the laser head. When your laser head is sitting properly, the fan will push smoke away from the print area and give you cleaner prints.
When the head is not seated properly, however, the attached air assist fan will not be able to spin up to full speed. Should your laser head not be making contact, you’ll see an “Air assist alert” in the app when you print.
If you run into this alert, here's how to re-seat your printer head.
Turn off your Glowforge and unplug it.
Holding only the finished black surfaces, grasp the printer head as shown. Pull gently up and back to disengage the magnets and remove the head.
Wipe the 4 gold pins next to the lens on the bottom of the printer head, as well as the 4 gold contacts on the carriage plate.
Re-lower the head over the metal plate so that it rests next to the two round posts.
Push it gently away from you – you’ll feel a “click” as magnets pull the printer head until it sits snugly atop the metal plate.
Plug in your Glowforge, and turn it back on to run a test print.
Should that not solve the problem, you may also need to clean your air assist fan. Follow the instructions here.
If you are still running into trouble after cleaning, please let us know at firstname.lastname@example.org.