--- title: Maintenance messages description: Here you can find a list of the maintenance messages implemented in BCN3D Epsilon and Sigma touchscreen. --- [Skip to content](https://support.bcn3d.com/knowledge/maintenance-messages#main-content) 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 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) 3. [3D printer](https://support.bcn3d.com/knowledge/tips?hsLang=en#3d-printer) # Maintenance messages ## Here you can find a list of the maintenance messages implemented in BCN3D Epsilon and Sigma touchscreen. ### Why appear maintenance messages in my printer? In order to help you to keep your printer in good shape, **maintenance messages could appear after some time working with the printer**. These messages are related to the axes lubrication and the maintenance of the HEPA filter: - Click on the picture of your printer to be redirected to the guide related to the maintenance message that has appeared in your printer | ![maintenance-lubricate](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Sigma-Sigmax%20R19/LCD%20Screenshots/Utilities/Maintenance/maintenance-lubricate.png?width=688&name=maintenance-lubricate.png) | [![printers-epsilon-icon](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Packaging/printers-epsilon-icon.png?width=180&name=printers-epsilon-icon.png)](https://support.bcn3d.com/knowledge/clean-lubricate-axes-bcn3d-epsilon-series?hsLang=en) | [![printers-sigma-d25-icon](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Packaging/printers-sigma-d25-icon.png?width=137&name=printers-sigma-d25-icon.png)](https://support.bcn3d.com/knowledge/clean-lubricate-axes-bcn3d-sigma-series?hsLang=en) | | --- | --- | --- | | ![maintenance-filter](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Sigma-Sigmax%20R19/LCD%20Screenshots/Utilities/Maintenance/maintenance-filter.png?width=688&name=maintenance-filter.png) | [![printers-epsilon-icon](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Packaging/printers-epsilon-icon.png?width=180&name=printers-epsilon-icon.png)](https://support.bcn3d.com/en/knowledge/hepa-filter-bcn3d-epsilon-series?hsLang=en) | |   Remember to periodically check the status of your printer and do [the maintenance tasks](https://support.bcn3d.com/knowledge/maintenance?hsLang=en) in order to ensure that all the components in the printer work correctly.   | **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** | | | [![maintenance eng](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Related%20Articles%20English/maintenance%20eng.png?width=600&name=maintenance%20eng.png)](https://support.bcn3d.com/knowledge/maintenance?hsLang=en) | [![adjust belt tension eng](https://support.bcn3d.com/hs-fs/hubfs/Knowledge%20base/Related%20Articles%20English/adjust%20belt%20tension%20eng.png?width=600&name=adjust%20belt%20tension%20eng.png)](https://support.bcn3d.com/knowledge/adjust-tension-belts-bcn3d-sigmax?hsLang=en) |   - 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