# FYI Repair tutorial for Snapmaker Original

**URL:** <https://forum.snapmaker.com/t/fyi-repair-tutorial-for-snapmaker-original/5950>\
**Category:** Original (3-in-1)\
**Created:** [April 11, 2020, 6:12am UTC](https://forum.snapmaker.com/t/fyi-repair-tutorial-for-snapmaker-original/5950 "2020-04-11T06:12:32Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Edwin](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/edwin/32/13481_2.png) [@Edwin](https://forum.snapmaker.com/u/Edwin)\
**Post date:** [April 11, 2020, 6:12am UTC](https://forum.snapmaker.com/t/fyi-repair-tutorial-for-snapmaker-original/5950/1 "2020-04-11T06:12:32Z")

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1. **How to Replace the Heating Tube and the Thermistor**

When the heating tube and thermistor are diagnosed as defective by the Snapmaker support team, please follow these tutorial to replace them.

1. **How to Replace the Thermistor in the 3D Printing Module**

When the thermistor in the 3D Printing Module is diagnosed as defective by the Snapmaker support team, please follow this tutorial to replace the thermistor.

1. **How to Replace the Heating Tube in the 3D Printing Module**

When the heating tube in the 3D Printing Module is diagnosed as defective by the Snapmaker support team, please follow this tutorial to replace the heating tube.

1. **How to Install the Gear**

If the gear inside the 3D Printing Module is loosened, please follow this tutorial to reinstall the gear.

1. **How to Fix the Gear**

When the gear in the 3D Printing Module is loosened and can’t guide the filament properly, please follow this tutorial to fix the gear.

1. **How to Replace the Heat Sink in the 3D Printing Module**

If the screw hole in the heated sink above the nozzle is stripped, the nozzle cannot be replaced as illustrated in the User Manual. In this case, please follow this tutorial to replace the heat sink.

1. **How to Replace the Fan in the 3D Printing Module**

If the fan in the 3D Printing Module is making unbearable noise, please follow this tutorial to replace the fan.

1. **How to Replace the Nozzle when the Screw on the Heated Block is Stripped**

When the screw on the heated block is stripped, the heating tube cannot be extracted as illustrated in the User Manual. In this case, please follow this tutorial to replace the nozzle.

# Controller

1. **How to Replace the Fan in the Controller**

If the fan in the controller is making unbearable noise, please follow this tutorial to replace the fan.

# Linear Module

1. **How to Tighten up the Slider on Linear Module**

If you notice the heated bed wobbles when the printer is printing, please follow this tutorial to tighten up the slider on the Y axis.

# Others

1. **How to test the connectivity of the RJ25/45 cable**

When the printer is not working properly and you need to test the connectivity of the RJ25/RJ45 cable, please follow this tutorial to complete the test.

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**Author:** ![doug](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/doug/32/44_2.png) [@doug](https://forum.snapmaker.com/u/doug)\
**Post date:** [April 11, 2020, 8:38am UTC](https://forum.snapmaker.com/t/fyi-repair-tutorial-for-snapmaker-original/5950/2 "2020-04-11T08:38:37Z")

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Excellent. I placed an entry in Snaplinks and mentioned you. There are some limitation on mentioning names with a leading asterisk such as @Edwin

Keep having fun  
Doug