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Is there a way to "tune" the idler?  

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WizardStan
(@wizardstan)
Active Member
Is there a way to "tune" the idler?

I updated my firmware at the start of January and ever since I've had problems loading and unloading filament.  It mostly works, but frequently slips, and then I need to give it a little nudge to get it going again. Fine enough for single colour prints (sometimes I come back and it's flashing at me that it was unable to unload) but for actual multicolour prints with regular swaps this is a no go.

After much experimentation I've discovered that after turning my printer on and waiting for the idler to home, if I just reach in and give it a push so it rotates one click I no longer have any problem with it, filament loads and unloads quick and easy, and it remains so until I power off and on again, at which point I just need to push it that one click again.

Is there a way to tune the position of the idler?  Or am I cursed?  It's strange, this is consistent and repeatable for me, but I don't see anyone else complaining.

Posted : 02/02/2025 5:08 pm
Muttzy
(@muttzy)
Active Member
RE: Is there a way to "tune" the idler?

I have complained extensively in forum posts.  My recommendation is to go back to firmware 3.12.2 (1.0.6).

Posted : 03/02/2025 3:39 am
WizardStan
(@wizardstan)
Active Member
Topic starter answered:
RE: Is there a way to "tune" the idler?

Unfortunately I have other, significantly worse problems with 3.12.2.  I'm going to try a frankenfirmware this weekend, see how it likes running 3.14 on the printer with 1.0.6 on the MMU2.  Failing that, guess I take initiative and try to fix the bug myself.

Posted : 07/02/2025 6:13 pm
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