--- title: How to install the new printing platform thumbscrews description: In this article you will learn the procedure to install the new printing platform thumscrews --- [Skip to content](https://support.bcn3d.com/knowledge/install-printing-platform-thumbscrews-bcn3d#main-content) - [English](https://support.bcn3d.com/knowledge/install-printing-platform-thumbscrews-bcn3d) - [Español](https://support.bcn3d.com/es/knowledge/install-printing-platform-thumbscrews-bcn3d) English Show submenu for translations [Contact support](https://support.bcn3d.com/knowledge/kb-tickets/new?hsLang=en) [Customer portal](https://support.bcn3d.com/repair-service?hsLang=en) ![knowledge-base-header-bcn3d-logo.png\]](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Header/knowledge-base-header-bcn3d-logo.png?height=40&name=knowledge-base-header-bcn3d-logo.png) - [Default HubSpot Blog](https://blog.bcn3d.com/) Open main navigation Close main navigation - [Default HubSpot Blog](https://blog.bcn3d.com/) - - [English](https://support.bcn3d.com/knowledge/install-printing-platform-thumbscrews-bcn3d) - [Español](https://support.bcn3d.com/es/knowledge/install-printing-platform-thumbscrews-bcn3d) English Show submenu for translations - [Contact support](https://support.bcn3d.com/knowledge/kb-tickets/new) - [Customer portal](https://support.bcn3d.com/repair-service) - [BCN3D forum](https://www.bcn3d.com/community/) [BCN3D forum](https://www.bcn3d.com/community/) Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [Knowledge base - BCN3D](https://support.bcn3d.com/knowledge?hsLang=en) 2. [Tips](https://support.bcn3d.com/knowledge/tips?hsLang=en) # How to install the new printing platform thumbscrews ## In this article you will learn the procedure to install the new printing platform thumscrews   --- |      | **[EN](https://support.bcn3d.com/knowledge/install-printing-platform-thumbscrews-bcn3d)** | [**ES**](https://support.bcn3d.com/es/knowledge/install-printing-platform-thumbscrews-bcn3d?hsLang=en) | | --- | --- | --- | --- - **Warning!** **This upgrade is not compatible with Sigma/Sigmax R19** or previous models. The firmware updates that are mentioned on the article do not affect these models. BCN3D has implemented a new version of the printing platform adjustment thumbscrew: | **Version** | **Divisions** | **Material** | | --- | --- | --- | | Original thumbscrew | 8 | Metal | | New thumbscrew | 24 | Plastic | ### Why is necessary to change the thumbscrews? | ![plastic-thumbscrew-bcn3d](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Plastic%20thumbscrews/plastic-thumbscrew-bcn3d.png?width=683&name=plastic-thumbscrew-bcn3d.png) | **The new thumbscrews had to be implemented due to a new printer update** that increases the accuracy in the calibration process of the printing surface. | | --- | --- | On the **0.10.2 Firmware** update, **the printer heats up the printing surface during the calibration process** to accurately calibrate it under the same conditions that it will have during the printing process.  This means that the printing surface temperature rises to match the loaded material's optimal bed temperature, which in some cases can reach 100º. The material has been changed to plastic in order to prevent any possible burns during the manipulation of the thumbscrew. - **Warning!** **The high temperature of the printing surface can make the original thumbscrews unusable**. Wear protective gloves when calibrating with metal thumbscrews. Another feature of the new plastic thumbscrews is that they come with 24 divisions instead of 8. This increases the precision of the calibration when following the printer instructions. ### **How to install the plastic thumbscrews** #### **1. **Raise the print surface by going to *Maintenance/Move Printing Surface* menu ![epsilon-raise-platform](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Pantallas%20menu/epsilon-raise-platform.png?width=400&name=epsilon-raise-platform.png) #### **2.** Remove the metal thumbscrew by fully unscrewing them ![install thumbscrew](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Related%20Articles%20Base/install%20thumbscrew.jpg?width=688&name=install%20thumbscrew.jpg) #### **3.** Screw in the new plastic thumbscrews #### **4. **Change the printer configuration to 1/24 thumbscrews by going to the *Utilities/Printer Setup/Components Setup* menu. ![components setup](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Pantallas%20menu/components%20setup.png?width=500&name=components%20setup.png)   | **Send us your comments about this article** | [![feedback-button](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Button/feedback-button.png?width=179&name=feedback-button.png)](https://share.hsforms.com/1F7t1sBuOQyWlAeRwwFSjgQ3fec5) | | --- | --- | |   **RELATED ARTICLES** | | | [![print quality issues EN](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Related%20Articles%20English/print%20quality%20issues%20EN.png?width=600&name=print%20quality%20issues%20EN.png)](https://support.bcn3d.com/en/knowledge/solve-quality-issues?hsLang=en) | [![create-material-en](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Avocado/avocado%20related%20articles/create-material-en.png?width=346&name=create-material-en.png)](https://support.bcn3d.com/knowledge/create-new-material-profiles?hsLang=en) |   - 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