# Sync filament not working correct?

**URL:** <https://forum.snapmaker.com/t/sync-filament-not-working-correct/43342>\
**Category:** Snapmaker Orca\
**Created:** [September 11, 2026, 6:49pm UTC](https://forum.snapmaker.com/t/sync-filament-not-working-correct/43342 "2026-09-11T18:49:26Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![MoneyPeet](https://avatars.discourse-cdn.com/v4/letter/m/3d9bf3/32.png) [@MoneyPeet](https://forum.snapmaker.com/u/MoneyPeet)\
**Post date:** [September 11, 2026, 6:49pm UTC](https://forum.snapmaker.com/t/sync-filament-not-working-correct/43342/1 "2026-09-11T18:49:26Z")

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Hi,

I have filament loaded in 1, 2 and 4.  
When I sync the filament, 4 goes to 3.  
Why? Is it a bug?

 ![20260911_204700](https://us1.discourse-cdn.com/flex022/uploads/snapmaker/original/3X/c/6/c6844b9bc5db881df80e3cb4f4fe7009e1d591aa.jpeg)

 ![afbeelding](https://us1.discourse-cdn.com/flex022/uploads/snapmaker/original/3X/5/e/5e51fc6512b8fa6d62a9326db8baa4f1e35da130.png)

Kind regards,  
Peter

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<div class="post-metadata">

**Author:** ![Manfredo52](https://avatars.discourse-cdn.com/v4/letter/m/cdc98d/32.png) [@Manfredo52](https://forum.snapmaker.com/u/Manfredo52)\
**Post date:** [September 12, 2026, 4:44am UTC](https://forum.snapmaker.com/t/sync-filament-not-working-correct/43342/2 "2026-09-12T04:44:48Z")

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Same here. can not detect and/or show “empty slot”

You can slice with filament #3, but the print preview will show #4

 ![image](https://us1.discourse-cdn.com/flex022/uploads/snapmaker/original/3X/e/d/eddcbd49b0ee5d44aacba87c3c3450713e20e225.jpeg)