# Height Limit for Laser?

**URL:** <https://forum.avidcnc.com/t/height-limit-for-laser/5521>\
**Category:** Everything Lasers\
**Created:** [November 26, 2025, 9:46pm UTC](https://forum.avidcnc.com/t/height-limit-for-laser/5521 "2025-11-26T21:46:41Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Tommy](https://avatars.discourse-cdn.com/v4/letter/t/b5a626/32.png) [@Tommy](https://forum.avidcnc.com/u/Tommy)\
**Post date:** [November 26, 2025, 9:46pm UTC](https://forum.avidcnc.com/t/height-limit-for-laser/5521/1 "2025-11-26T21:46:41Z")

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I have the 4896 with the standard gantry. I’m trying to laser something that is 4” tall and keep getting a Z axis limit.

I get z-axis limits quite often so I don’t know if this is just another false alarm? Or is 4” too tall?

It seems like I have enough clearance?

 ![Screenshot 2025-11-26 164409](https://canada1.discourse-cdn.com/flex027/uploads/avidcnc/original/2X/a/af3b395b98ae4a550ada2e124b1b4e90ef9ccf8c.png)

 ![IMG_9863](https://canada1.discourse-cdn.com/flex027/uploads/avidcnc/original/2X/e/e60b94d48fbeb4076548ebf8f5ad87eefbe095b5.jpeg)

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**Author:** ![NLE](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.avidcnc.com/nle/32/3880_2.png) [@NLE](https://forum.avidcnc.com/u/NLE)\
**Post date:** [November 27, 2025, 6:28am UTC](https://forum.avidcnc.com/t/height-limit-for-laser/5521/2 "2025-11-27T06:28:50Z")

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I think you are setting the XT8 to high. The distance is 21mm from the work piece to the bottom of the body (not the shield) of the laser. The measuring block should be on it’s side.

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**Author:** ![NLE](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.avidcnc.com/nle/32/3880_2.png) [@NLE](https://forum.avidcnc.com/u/NLE)\
**Post date:** [November 27, 2025, 6:31am UTC](https://forum.avidcnc.com/t/height-limit-for-laser/5521/3 "2025-11-27T06:31:45Z")

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Also Maybe your rapid Z height is set to high in your design software.

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**Author:** ![Tommy](https://avatars.discourse-cdn.com/v4/letter/t/b5a626/32.png) [@Tommy](https://forum.avidcnc.com/u/Tommy)\
**Post date:** [November 28, 2025, 7:57pm UTC](https://forum.avidcnc.com/t/height-limit-for-laser/5521/4 "2025-11-28T19:57:51Z")

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\>\>\>Maybe your rapid Z height is set to high

THANK YOU! I must have been right on the edge. I lowered in by .1 and it was enough to make it work. You nailed it. Thanks!

Tom