Need help setting up my filament runout sensor on my Voxelab Aquila running Alex firmware

As title says. I got myself a filament runout sensor, wired it, designed and printed a holder for it and now I am experiencing some issues. I hope someone here can help me.

At first, the sensor is doing its job and seems to be working as it should. Printing is possible, but only with extra steps I would like to avoid. I use this sensor:

Creality Offiziell Filament Runout Sensor Kit Ender 3 Filament Erkennung Modul Detektor Gerät Original Pausen Erkennungs Monitor für Ender 3Pro, Ender 3 V2 mit 32 Bit V4.2.2/V4.2.7 Motherboard amzn.eu/d/3aR6o2e

I am using it on my standard Voxelab Aquila running Alex firmware. Slicing in Astroprint and managing over Octoprint on a raspberry pi.

The problem: The runout sensor sends a false positive right after starting a print. It draws the first line on the printbeds side and then stops telling me the filament ran out. It then proceeds to unload the filament and asks me to change it. I then re-insert the „new“ filament, it extrudes a load and then prints just fine.

So as you have possibly guessed right, I want it to print right away, just stopping the print, if there really is some jamming or no more filament left. Does someone know if I have to adjust the start commands or something like that? It seems to be a software problem.

Thanks in advance for any help!

Update: I gave up on this project and sent the sensor back. I couldn’t get it to work even after modifications to the firmware. Too bad…

corodius,

it sounds like you need to invert the runout sensor detection, as it is triggering immediately.

Gorroth,
@Gorroth@lemmy.world avatar

I already tried that, didn’t work. I increased the runout distance and sent some M412 commands to configure everything before a test print. It then seemed to work, but when I cut the Filament to simulate a runout it didn’t work. Sending the sensor back if I can’t get it to run this weekend

Swim,

Is it a grow tent ? Good idea to contain and exhaust the fumes

Gorroth,
@Gorroth@lemmy.world avatar

It’s this one:

SUNLU 3D-Drucker-Gehäuse, konstante 3D-Drucktemperatur für ABS 3D-Drucker-Filament, Ender 3/3 PRO 3D-Drucker-Gehäuse, bietet viel Platz, feuerfest, Größe 650 * 550 * 750mm amzn.eu/d/dPwi2Uv

It’s actually made for 3D printers

Swim,

Very cool, I didn’t know that was a thing

Gorroth,
@Gorroth@lemmy.world avatar

I also learned about them just recently. I had to move my printer over in my homeoffice and I was a bit concerned about noise and fine dust, so I looked up what I can do and stumbled across these. Not doing that much about noise, but as I switched all of my printers fans to Noctua ones that’s not a big problem. Big advantage is my prints look cleaner and stick better to the build plate, as it is always at constant heat, even if I open my windows. And I at least think the dust stays in there, as there is no more „3D printer smell“ if you get what I mean :D Can absolutely recommend this.

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