# 1.16.0 firmware laser issue

**URL:** <https://forum.snapmaker.com/t/1-16-0-firmware-laser-issue/22674>\
**Category:** Snapmaker 2.0 (3-in-1)\
**Created:** [December 15, 2021, 3:54am UTC](https://forum.snapmaker.com/t/1-16-0-firmware-laser-issue/22674 "2021-12-15T03:54:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![RossCHT](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/rosscht/32/5110_2.png) [@RossCHT](https://forum.snapmaker.com/u/RossCHT)\
**Post date:** [December 15, 2021, 3:54am UTC](https://forum.snapmaker.com/t/1-16-0-firmware-laser-issue/22674/1 "2021-12-15T03:54:39Z")

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I do some laser engraving onto a cork mat couple of days with firmware 1.10, result is fine:

 ![01_original_1.10](https://us1.discourse-cdn.com/flex022/uploads/snapmaker/original/3X/3/6/36453d644575a0c35b65117067619c5d1e98cf88.jpeg)

Today my Luban told me to update to Luban 4.1.1, I did. And after that Luban suggest me to update my A250’s firmware, so I did as well(with firmware 1.16.0). But when I start a new engraving, the laser head working in a very high position, it float over material at least 10cm, of course it engraved nothing on my cork mat.

I did laser calibration again, after I set laser head float over material only 1mm and let A250 do it’s autofocus processing, here’s what I have:

 ![02_issue_1.16](https://us1.discourse-cdn.com/flex022/uploads/snapmaker/original/3X/0/0/00f154955878e919ce80a6346f10f5991397e929.jpeg)

It still engraving line in a high position, of course it engraved nothing and autofocus process is fail.

I’m now rollback to firmware 1.10.0, the laser engraving works fine…

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**Author:** ![CNC-Maker](https://avatars.discourse-cdn.com/v4/letter/c/df788c/32.png) [@CNC-Maker](https://forum.snapmaker.com/u/CNC-Maker)\
**Post date:** [December 16, 2021, 12:06am UTC](https://forum.snapmaker.com/t/1-16-0-firmware-laser-issue/22674/2 "2021-12-16T00:06:13Z")

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@RossCHT the latest version of firmware is 1.14.1:

> [@Snapmaker 2.0 Firmware Updates and Downloads](https://forum.snapmaker.com/t/snapmaker-2-0-firmware-updates-and-downloads/5443/18):
>
> Dec 13 2021: Snapmaker2\_V1.14.1 Thank you for your suggestions on how to make the Snapmaker 2.0 better. Your feedback is always appreciated. Here comes the latest version of the Snapmaker 2.0 firmware. Changelog Module New Features Support 10W High Power Laser Module Add minimum version requirements for each modules. Controller New Features Refactor G-code transmission for Printing. Support 10W High Power Laser Module. Add “M76” G-code for triggering pause request in printing. Add “M10…

So, I’m not sure where you are seeing 1.16.0. If you are seeing that in Luban, or somewhere else, you should open a ticket with support.

P.S. They did mess up some of the version numbers that are displayed, but I haven’t seen 1.16.0.