# Filament sensor adjustment?

**URL:** <https://forum.sovol3d.com/t/filament-sensor-adjustment/8825>\
**Category:** Sovol SV08 MAX\
**Created:** [October 3, 2025, 10:03am UTC](https://forum.sovol3d.com/t/filament-sensor-adjustment/8825 "2025-10-03T10:03:57Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ArneM](https://avatars.discourse-cdn.com/v4/letter/a/bbce88/32.png) [@ArneM](https://forum.sovol3d.com/u/ArneM)\
**Post date:** [October 3, 2025, 10:03am UTC](https://forum.sovol3d.com/t/filament-sensor-adjustment/8825/1 "2025-10-03T10:03:57Z")

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Anyone with a step by step guide to adjust the sensitivity of the filament sensor?  
Keeps stopping midprint…

Witch parameters to adjust?

 ![bilde](https://canada1.discourse-cdn.com/flex030/uploads/sovolforum/original/2X/7/72da1dc859b9c4913ff4c2d48ac9271fb03ddac2.jpeg)

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**Author:** ![cardoc](https://avatars.discourse-cdn.com/v4/letter/c/ec9cab/32.png) [@cardoc](https://forum.sovol3d.com/u/cardoc)\
**Post date:** [October 3, 2025, 2:53pm UTC](https://forum.sovol3d.com/t/filament-sensor-adjustment/8825/2 "2025-10-03T14:53:04Z")

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There are no adjustments. Optical limit switches are soldered to the board.

See

> [@Filament buffer custom macros](https://forum.sovol3d.com/t/filament-buffer-custom-macros/8808):
>
> Hello I created small project that modifies Filament buffer motor and sync it to extruder. First issue was that stepper motor gets really hot when is in sync with extruder, that’s why I used custom casing. So far no issues with filament length offset. For next futures I will try to implement clog detection that works when stepper is in sync (but PTFE tube is needed), runout sensor works out of the box already. The whole idea came to my mind when I used filament that is to roug…