# Mini 1 having strange layer shifts

**URL:** <https://forum.lulzbot.com/t/mini-1-having-strange-layer-shifts/6899>\
**Category:** LulzBot Mini\
**Created:** [September 12, 2019, 8:12pm UTC](https://forum.lulzbot.com/t/mini-1-having-strange-layer-shifts/6899 "2019-09-12T20:12:31Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Spoon77](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/spoon77/32/9767_2.png) [@Spoon77](https://forum.lulzbot.com/u/Spoon77)\
**Post date:** [September 12, 2019, 8:12pm UTC](https://forum.lulzbot.com/t/mini-1-having-strange-layer-shifts/6899/1 "2019-09-12T20:12:31Z")

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I have a mini 1 that has been working great for years. It has recently been doing a really funky layer shift thing. It has an aerostruder hot end. I have had that hotend for a while. I did recently add a motor damper to the y-axis. Any thoughts on what I should check? The cura screenshot is for reference of how it prints.

 ![2019-09-12 (1).jpg](https://us1.discourse-cdn.com/flex020/uploads/lulzbot/original/2X/6/6f7a5689c7865d13dca87e07931231c3678584cd.jpeg)

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**Author:** ![Orias](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/orias/32/3_2.png) [@Orias](https://forum.lulzbot.com/u/Orias)\
**Post date:** [September 13, 2019, 2:36pm UTC](https://forum.lulzbot.com/t/mini-1-having-strange-layer-shifts/6899/2 "2019-09-13T14:36:43Z")

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If your shifts are occurring mainly along the Y-axis, it’s going to be related to the mount or the belt tension. Reach out to the support team for assistance at [https://LulzBot.com/Support](https://LulzBot.com/Support). If you don’t mind, reprint your model, leave it on the bed, and take a picture of it, to help determine which axis needs the most attention.

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**Author:** ![Spoon77](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/spoon77/32/9767_2.png) [@Spoon77](https://forum.lulzbot.com/u/Spoon77)\
**Post date:** [September 13, 2019, 6:50pm UTC](https://forum.lulzbot.com/t/mini-1-having-strange-layer-shifts/6899/3 "2019-09-13T18:50:48Z")

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will do

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**Author:** ![ScottW](https://avatars.discourse-cdn.com/v4/letter/s/53a042/32.png) [@ScottW](https://forum.lulzbot.com/u/ScottW)\
**Post date:** [September 14, 2019, 5:24pm UTC](https://forum.lulzbot.com/t/mini-1-having-strange-layer-shifts/6899/4 "2019-09-14T17:24:40Z")

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If the shifts are in the Y-axis, and given that you said you just added a dampener to the Y axis, re-check the set screw on the Y-axis pulley. A loose set screw or loose belt tension may be the culprit.

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**Author:** ![vlad](https://avatars.discourse-cdn.com/v4/letter/v/3bc359/32.png) [@vlad](https://forum.lulzbot.com/u/vlad)\
**Post date:** [February 12, 2020, 6:45pm UTC](https://forum.lulzbot.com/t/mini-1-having-strange-layer-shifts/6899/5 "2020-02-12T18:45:23Z")

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Hello ! I have a Lulzbot MINI for a few years. I changed recently the entire wires from the nozzle head. From that moment it shifts layers at some point in the print. I tighten all screw, changed the belt and one of the Stepper motor. The offset hav got much smaller . Now is at 10 mm aproximatly. Last part, shifted layers after about 2 hours. Any ideeas about what is happening ?