# Extruder Calibration a must

**URL:** <https://forum.snapmaker.com/t/extruder-calibration-a-must/7724>\
**Category:** Snapmaker 2.0 (3-in-1)\
**Created:** [July 16, 2020, 7:51pm UTC](https://forum.snapmaker.com/t/extruder-calibration-a-must/7724 "2020-07-16T19:51:11Z")\
**Posts on this page:** 1\
**Showing post:** 73

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**Author:** ![brent113](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/brent113/32/11114_2.png) [@brent113](https://forum.snapmaker.com/u/brent113)\
**Post date:** [October 11, 2020, 5:03pm UTC](https://forum.snapmaker.com/t/extruder-calibration-a-must/7724/73 "2020-10-11T17:03:15Z")

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I had that happen once, the heater pins disconnected:

> [@Hot End Connector - Pin Gone!](https://forum.snapmaker.com/t/hot-end-connector-pin-gone/10162):
>
> First time I took the hot end out for cleaning and inspection, after the heater no longer worked I took a look. Pin has backed out of the connector! I think I need to put a small tie around the wires??

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