I know this is a topic that’s been brought up many times before, but I’m having this issue now as well. When I turn on my Glowforge, it often starts grinding against the left instead of moving toward the center. When this happens, I can reliably turn off my Glowforge, gently move the laser to the center and turn it back on, to have it continue calibration correctly.
I’ve read that ambient light sometimes confuses the calibration, however, I’ve had this happen in a pitch black room as well as lit from above (garage fluorescent lights).
I just don’t want my beloved machine to damage itself, so if there’s something more that I can do to end this, any help would be appreciated. =)