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Filament sensor (on MINI) & Octoprint  

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Martin H
(@martin-h-2)
Active Member
Filament sensor (on MINI) & Octoprint

Hi, I'm now to Octoprint, and I was curious what I need to do to make it use the optional filament sensor that comes with the printer. Will it work 'out of the box', do I have too configure something, or I'm I out of luck?

 

Thanks!

Best Answer by cmumford:

From the 4.1.0 release notes: "Note: While printing over the serial line, the printer ignores the filament sensor, even when properly connected. However, it works for the filament change. The developers are working on a fix for the upcoming firmware release." (link)

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Posted : 12/07/2020 9:11 pm
Robee Shepherd
(@robee-shepherd)
Estimable Member
RE: Filament sensor (on MINI) & Octoprint

I don't think you need to do anything, I think as long as you enable it in the Prusa Mini's own menu then the Mini will pause the print if it detects the filament has run out. Make sure you have the latest firmware, which already lets you pause a print from the Mini itself.

Posted : 13/07/2020 11:04 pm
Peter
(@peter-22)
New Member
RE: Filament sensor (on MINI) & Octoprint

@robee

Hello, I just experienced, that the filament sensor does not work with Octoprint. Fortunately I have noticed it and saved the print.

I have no idea, if it should work with Octoprint. Can anyone help?

Posted : 17/07/2020 7:59 pm
TrevS
(@trevs)
New Member
RE: Filament sensor (on MINI) & Octoprint

@peter-maga

I had the same problem today. Octoprint never acknowledged that I ran out of filament. Filament sensor works fine when printed from usb.

Posted : 17/07/2020 9:52 pm
cmumford
(@cmumford)
Active Member
RE: Filament sensor (on MINI) & Octoprint

From the 4.1.0 release notes: "Note: While printing over the serial line, the printer ignores the filament sensor, even when properly connected. However, it works for the filament change. The developers are working on a fix for the upcoming firmware release." (link)

Posted : 18/07/2020 3:53 pm
Peter
(@peter-22)
New Member
RE: Filament sensor (on MINI) & Octoprint

@cmumford

Thanks for your reply. 

Posted : 18/07/2020 4:01 pm
jagr200
(@jagr200)
Active Member
RE: Filament sensor (on MINI) & Octoprint

Any update on this? Still not working on my mini. Works fine on my MK3s.

 

 
Posted : 17/08/2020 2:16 am
Gordon W
(@gordon-w)
Reputable Member
RE: Filament sensor (on MINI) & Octoprint

@jagr_200

Keep an eye on https://github.com/prusa3d/Prusa-Firmware-Buddy/issues/739 it seems that a fix is being worked on.

Posted : 17/08/2020 7:39 am
fuchsr
(@fuchsr)
Noble Member
RE: Filament sensor (on MINI) & Octoprint

@gordon-w

Well, six months later, my print still died because the filament runout wasn't triggered... Sad

Posted : 05/02/2021 8:39 pm
cwbullet
(@cwbullet)
Illustrious Member
RE: Filament sensor (on MINI) & Octoprint

I finally added a second filament sensor to make sure octoprint stops the print.  

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Chuck H
3D Printer Review Blog...
Posted : 18/04/2021 3:25 pm
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