--- title: How to remove the Z cable cover (Sigma Series) description: "EN DE IT ES FR   To remove the inner cover, you'll have to disassemble the Z cable covers first. This article will show you how to proceed:   1. Raise up the printing surface: Utilities/Maintenace/Mov" --- [Skip to content](https://support.bcn3d.com/knowledge/z-cable-cover-bcn3d-sigma-series#main-content) - [English](https://support.bcn3d.com/knowledge/z-cable-cover-bcn3d-sigma-series) - [Deutsch](https://support.bcn3d.com/de/knowledge/z-cable-cover-bcn3d-sigma-series) - [Español](https://support.bcn3d.com/es/knowledge/z-cable-cover-bcn3d-sigma-series) - [Français](https://support.bcn3d.com/fr/knowledge/z-cable-cover-bcn3d-sigma-series) - [Italiano](https://support.bcn3d.com/it/knowledge/z-cable-cover-bcn3d-sigma-series) 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/z-cable-cover-bcn3d-sigma-series) - [Deutsch](https://support.bcn3d.com/de/knowledge/z-cable-cover-bcn3d-sigma-series) - [Español](https://support.bcn3d.com/es/knowledge/z-cable-cover-bcn3d-sigma-series) - [Français](https://support.bcn3d.com/fr/knowledge/z-cable-cover-bcn3d-sigma-series) - [Italiano](https://support.bcn3d.com/it/knowledge/z-cable-cover-bcn3d-sigma-series) 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. [Sigma Series](https://support.bcn3d.com/knowledge/sigma-series?hsLang=en) 3. [Troubleshooting](https://support.bcn3d.com/knowledge/sigma-series?hsLang=en#troubleshooting) # How to remove the Z cable cover (Sigma Series) --- |                                                                           | [**EN**](https://support.bcn3d.com/knowledge/z-cable-cover-bcn3d-sigma-series) | [**DE**](https://support.bcn3d.com/de/knowledge/z-cable-cover-bcn3d-sigma-series?hsLang=en) | [**IT**](https://support.bcn3d.com/it/knowledge/z-cable-cover-bcn3d-sigma-series?hsLang=en) | [**ES**](https://support.bcn3d.com/es/knowledge/z-cable-cover-bcn3d-sigma-series?hsLang=en) | [**FR**](https://support.bcn3d.com/fr/knowledge/z-cable-cover-bcn3d-sigma-series?hsLang=en) | | --- | --- | --- | --- | --- | --- | ---   | **Tools** |   | | --- | --- | | ![allen-icon](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Tools/allen-icon.png?width=21&name=allen-icon.png) | > Allen key 2.5mm | --- To remove the inner cover, you'll have to disassemble the Z cable covers first. This article will show you how to proceed:   **1.** Raise up the printing surface: *Utilities/Maintenace/Move printing surface.* ![epsilon-raise-platform](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Pantallas%20menu/epsilon-raise-platform.png?width=359&name=epsilon-raise-platform.png) **Note:** If you can't move the printing surface from the touchscreen, spin the Z axis lead screw clockwise in order to move the surface up. Grab a piece of paper to have a better grip.    **2.** Turn off and disconnect the BCN3D Sigma. | ![turn-off Cropped](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Packaging/turn-off%20Cropped.png?width=688&name=turn-off%20Cropped.png) | ![unplug Cropped](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Packaging/unplug%20Cropped.png?width=688&name=unplug%20Cropped.png) | | --- | --- | | **3.** Remove the screws from the upper cover. | ![screw-icon](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Tools/screw-icon.png?width=18&name=screw-icon.png)**x4 M3 10mm** | | --- | --- | ![sigma-d25-z-cover-top-side](https://support.bcn3d.com/hs-fs/hubfs/sigma-d25-z-cover-top-side.png?width=599&name=sigma-d25-z-cover-top-side.png) | **4.** Remove the screws from the left and right side covers. | ![screw-icon](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Tools/screw-icon.png?width=18&name=screw-icon.png)**x4 M3 10mm** | | --- | --- | ![sigma-d25-z-cover-lateral-sides](https://support.bcn3d.com/hs-fs/hubfs/sigma-d25-z-cover-lateral-sides.png?width=599&name=sigma-d25-z-cover-lateral-sides.png) **Conclusions** To reassemble, first, screw the lateral covers and then the top cover. Be careful when you are reassembling the covers, an excess of pressure or a bad positioning can break them. #### **[Forum community](https://support.bcn3d.com/knowledge/bcn3d-forum-community?hsLang=en) ** This article doesn't fix your issue? Check out our [**forum community**](https://support.bcn3d.com/knowledge/bcn3d-forum-community?hsLang=en) for more info about this   It's important to keep your printer in good shape to make the most out of it. In this chart, you can find a list of the extruder maintenance procedures and how frequently these should be done. [Maintenance Plan](https://support.bcn3d.com/knowledge/maintenance-plan-bcn3d-sigma-series?hsLang=en)   ![bcn3d-recycle](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Tools/bcn3d-recycle.png?width=27&name=bcn3d-recycle.png)  Take your e-waste to a certified recycler. [Check how we do it in BCN3D.](https://support.bcn3d.com/knowledge/environment-bcn3d?hsLang=en)   | --- #### RELATED ARTICLES | | --- | | [![calibrate printing surface eng](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Related%20Articles%20English/calibrate%20printing%20surface%20eng.png?width=336&name=calibrate%20printing%20surface%20eng.png)](https://support.bcn3d.com/knowledge/printing-surface-calibration-bcn3d-sigma-series?hsLang=en) | [![calibrate hotend eng](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Related%20Articles%20English/calibrate%20hotend%20eng.png?width=336&name=calibrate%20hotend%20eng.png)](https://support.bcn3d.com/knowledge/hotend-calibration-bcn3d-sigma-series?hsLang=en) | | --- | --- |   | **You can help improve the BCN3D Knowledge Base.** If you feel there are guides that we are missing or you found any error, please use this form to report it. **[Report form](https://share.hsforms.com/1F7t1sBuOQyWlAeRwwFSjgQ3fec5)** :) | | --- |   - 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