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Ender 3 - General discussion

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Peter Cordell:
How on earth would this happen??

Could it be auto leveller is lower then the nozzle?

Will_D:
No Ben,  I don't have an auto leveler. This was not a low nozzle contact as they knock the piece of the bed (how do I know!!). 

All 8 pieces showed the same Y axis shift even the ones that are "solid" at that Z height

Cheers

Will

PekkaNF:
Would that skip be in some relation to Y-axis tooth belt pitch? Maybe the belt is a bit loose or pulley/belt got debris in? :scratch:

Peter Cordell:
The only time i have seen movment like that is when the printhead has made contact with the bed or something fixed to it
Seen bulldog clips on glass do it

AdeV:
What slicer are you using? Whilst it seems unlikely it'd suddenly introduce a Y-axis shift, it's the only thing other than a hardware glitch that could explain it.

As regards hardware glitching; it would have to be one of two things: Either the belt jumped some teeth on the motor (too loose), or it's wound up so tight a bit of binding happened which stalled the stepper motor.

With the machine switched off (or with the steppers disengaged), can you easily push the bed backwards and forwards through its entire travel? Are there any stiff spots? Is the belt nice and tight (but not murder tight)?

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