I took the whole printinghead assembly off and I get the same noise by just moving the x and y belts so it's definitely them. I'm not even going to touch the z axis until I get these sorted, if I can. I have enough problems already. =D
I'll first try to loosen each belt separately and see if I can isolate the noise maker or if it's everything...
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IRobertI 516
It's always a little bit difficult to tell on a recording but I'm suspecting belts even though the noise is a bit more "sharp" then what I would normally associate with a tired belt. But it could well be the recording skewing the sound a bit as well.
Often it's the short belt that is the most noisy so one quick thing you could test is to loosen the screws that holds the motor in place and lift it up (to try to disengage the belt from the pulley) and then move the print head manually and see if the noise goes away/reduces. You might have to remove the motor completely if the belt is stubborn and still rides too much on the pulley to test properly.
The long belts can also be a bit cranky but not as easy to test for.
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