While I can't rule out that the glass moved, it is highly unlikely. The glass on my S5 fits very tight (my 3E is another story). And I don't know if keeping the stepper motors energized really functions as a true lock, or if the steppers really stay energized the entire time after a pause from running out of filament. Yes, this "return to home" will not correct movement of the plate, but it seems like a logical step to zero out any potentially introduced offset in the print-head following an intrusive procedure like changing filament mid-print. And it is a 5 second process that can be added into the resume command.
Once I finish my production runs mid-week, maybe I will test this again to see if casual contact with the print-head does cause movement in this condition.
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fbrc8-erin 311
The motors should already be locked in place during the change process so the head shouldn't be moving. Is it possible the glass is shifting/being touched when you go to wipe the head?
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