# X not equal to Y (solved, adjust trav per rev with an x-50 x rail)

**URL:** <https://forum.onefinitycnc.com/t/x-not-equal-to-y-solved-adjust-trav-per-rev-with-an-x-50-x-rail/7811>\
**Category:** Uncategorized\
**Created:** [September 19, 2021, 4:04pm UTC](https://forum.onefinitycnc.com/t/x-not-equal-to-y-solved-adjust-trav-per-rev-with-an-x-50-x-rail/7811 "2021-09-19T16:04:39Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![OnefinityCNC](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.onefinitycnc.com/onefinitycnc/32/7_2.png) [@OnefinityCNC](https://forum.onefinitycnc.com/u/OnefinityCNC)\
**Post date:** [September 19, 2021, 5:12pm UTC](https://forum.onefinitycnc.com/t/x-not-equal-to-y-solved-adjust-trav-per-rev-with-an-x-50-x-rail/7811/4 "2021-09-19T17:12:19Z")

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You most likely have the updated X-50 x rail which requires adjusting the x settings for the ball screw:

> [@Proper Motor Settings for x-50 rails (Woodworker and Journeyman), with 1616 ball screw configuration](https://forum.onefinitycnc.com/t/proper-motor-settings-for-x-50-rails-with-1616-ball-screw-configuration/7152):
>
> UPDATE: With the release of 1.0.9 firmware, these settings are now part of the default configuartion. Ensure you are on 1.0.9 firmware ([https://forum.onefinitycnc.com/t/firmware-update-1-0-9-12-17-21-latest-release/84830](https://forum.onefinitycnc.com/t/firmware-update-1-0-9-12-17-21-latest-release/84830)) or later and then reset the configuration, choosing your correct machine configuration: [How To Reset The Configuration To Defaults](https://forum.onefinitycnc.com/t/how-to-reset-the-configuration-to-defaults/2547) (OLD) These settings only apply to X-50 Woodworker and Journeyman with the 1616 ballscrew configuration. Please note: these settings are in M…

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