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title: Epsilon Series | Knowledge base - BCN3D
description: W50 + W27
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1. [Knowledge base - BCN3D](https://support.bcn3d.com/knowledge)
2. [Epsilon Series](https://support.bcn3d.com/knowledge/epsilon-series)

# Epsilon Series

 W50 + W27

## Manuals & Downloads

- [User Guide (Epsilon series)](https://support.bcn3d.com/knowledge/user-guide-bcn3d-epsilon-series)
- [Quick Start Guide (Epsilon Series)](https://support.bcn3d.com/knowledge/quick-start-guide-bcn3d-epsilon-series)
- [Warranty (Epsilon series)](https://support.bcn3d.com/knowledge/warranty-bcn3d-epsilon-series)
- [Safety Guide (Epsilon Series)](https://support.bcn3d.com/knowledge/safety-guide-bcn3d-epsilon-series)
- [Printed parts (Epsilon series)](https://support.bcn3d.com/knowledge/printed-parts-bcn3d-epsilon-series)
- [Sample parts (Epsilon Series)](https://support.bcn3d.com/knowledge/sample-parts-bcn3d-epsilon-series)

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## First steps

- [Unboxing (Epsilon Series)](https://support.bcn3d.com/knowledge/unboxing-bcn3d-epsilon-series)
- [First Setup (Epsilon Series)](https://support.bcn3d.com/knowledge/first-setup-bcn3d-epsilon-series)
- [How to Install the Printing Surface (Epsilon Series)](https://support.bcn3d.com/knowledge/install-printing-surface-bcn3d-epsilon-series)
- [How to Load the Filament (Epsilon Series)](https://support.bcn3d.com/knowledge/load-filament-bcn3d-epsilon-series)
- [Printing Surface Calibration (Epsilon Series)](https://support.bcn3d.com/knowledge/printing-surface-calibration-bcn3d-epsilon-series)
- [Hotends Calibration (Epsilon Series)](https://support.bcn3d.com/knowledge/hotend-calibration-bcn3d-epsilon-series)
- [How to Install the Shims (Epsilon Series)](https://support.bcn3d.com/knowledge/install-shims-bcn3d-epsilon-series)
- [How to Navigate through the Interface (Epsilon Series)](https://support.bcn3d.com/knowledge/navigate-through-menus-bcn3d-epsilon-series)
- [What Version is my Printer? (Epsilon Series)](https://support.bcn3d.com/knowledge/version-bcn3d-epsilon-series)
- [Mesh Mapping (Epsilon Series)](https://support.bcn3d.com/knowledge/mesh-mapping-epsilon-series)

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## Maintenance

- [How to Clean the Hotend (Epsilon Series)](https://support.bcn3d.com/knowledge/clean-hotend-bcn3d-epsilon-series)
- [How to Clean and Lubricate the Axes (Epsilon Series)](https://support.bcn3d.com/knowledge/clean-lubricate-axes-bcn3d-epsilon-series)
- [How to Change the Hotend (Epsilon Series)](https://support.bcn3d.com/knowledge/change-hotend-bcn3d-epsilon-series)
- [How to Clean the Bondtech Extruder (Epsilon Series)](https://support.bcn3d.com/knowledge/clean-bondtech-extruder-bcn3d-epsilon-series)
- [How to Change the HEPA Filter (Epsilon Series)](https://support.bcn3d.com/knowledge/hepa-filter-bcn3d-epsilon-series)
- [Maintenance Plan (Epsilon Series)](https://support.bcn3d.com/knowledge/maintenance-guide-bcn3d-epsilon-series)
- [How to Adjust the Belt Tension (Epsilon Series)](https://support.bcn3d.com/knowledge/tighten-belts-bcn3d-epsilon-series)

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## Tips

- [How to install the BCN3D flexible printing surface upgrade (Epsilon series)](https://support.bcn3d.com/knowledge/flexible-printing-surface-upgrade-kit-bcn3d-epsilon-series)
- [How to Properly Package the Epsilon Series](https://support.bcn3d.com/knowledge/package-bcn3d-epsilon-series)

## Troubleshooting

- [How to Check the Operation of the Cooler Fan (Epsilon Series)](https://support.bcn3d.com/knowledge/check-operation-cooler-fan-bcn3d-epsilon-series)
- [How to change the cooler fan (Epsilon series)](https://support.bcn3d.com/knowledge/change-cooler-fan-bcn3d-epsilon-series)
- [How to change the extruder board (Epsilon Series)](https://support.bcn3d.com/knowledge/change-extruder-board-bcn3d-epsilon-series)
- [How to manually unload filament (Epsilon series)](https://support.bcn3d.com/knowledge/manually-unload-filament-bcn3d-epsilon-series)
- [How to check the flat cable connections (Epsilon Series)](https://support.bcn3d.com/knowledge/flat-cable-connections-bcn3d-epsilon-series)
- [How to change the extruder motor (Epsilon Series)](https://support.bcn3d.com/knowledge/change-motor-extruder-bcn3d-epsilon-series)
- [How to check the operation of the Bondtech extruders (Epsilon Series)](https://support.bcn3d.com/knowledge/check-bondtech-extruder-bcn3d-epsilon-series)
- [How to change the Bondtech driver (Epsilon Series)](https://support.bcn3d.com/knowledge/change-extruder-driver-bcn3d-epsilon-series)
- [How to change the mainboard (Epsilon Series)](https://support.bcn3d.com/knowledge/change-mainboard-epsilon-series)
- [How to check the piezo board's voltage (Epsilon Series)](https://support.bcn3d.com/knowledge/voltage-piezo-board)
- [How to Reset the Mainboard (Epsilon Series)](https://support.bcn3d.com/knowledge/reset-mainboard-epsilon-series)
- [Endstop Issues and how to Fix them (Epsilon Series)](https://support.bcn3d.com/knowledge/endstop-issues-bcn3d-epsilon-series)
- [How to Replace the X, Y, and Z Drivers (Epsilon Series)](https://support.bcn3d.com/knowledge/x-y-z-drivers-bcn3d-epsilon-series)
- [How to Check and Change the Mainboard's Fuse (Epsilon Series)](https://support.bcn3d.com/knowledge/mainboards-fuse-bcn3d-epsilon-series)
- [How to Change the X Driver's Flat Cable (Epsilon Series)](https://support.bcn3d.com/knowledge/change-x-flat-cable-bcn3d-epsilon-series)
- [How to Replace the Hotend Flat Cable (Epsilon Series)](https://support.bcn3d.com/knowledge/replace-hotend-flat-cable-epsilon-series)
- [How to Fix Layer Shifting in the X Axis (Epsilon Series)](https://support.bcn3d.com/knowledge/layer-shifting-x-axis-bcn3d-epsilon-series)
- [How to Fix Layer Shifting in the Y Axis (Epsilon Series)](https://support.bcn3d.com/knowledge/layer-shifting-y-axis-bcn3d-epsilon-series)
- [How to Replace the Y Endstop (Epsilon Series)](https://support.bcn3d.com/knowledge/change-y-endstop-epsilon-series)
- [How to Remove the Z Cable Cover (Epsilon Series)](https://support.bcn3d.com/knowledge/remove-z-cable-cover-bcn3d-epsilon-series)
- [How to Remove the Inner Cover (Epsilon Series)](https://support.bcn3d.com/knowledge/remove-inner-cover-bcn3d-epsilon-series)
- [Epsilon Series Error List](https://support.bcn3d.com/knowledge/error-list-epsilon-series)
- [How to Change the X Endstop (Epsilon Series)](https://support.bcn3d.com/knowledge/change-x-endstop-epsilon-series)
- [How to Change the Z Endstop (Epsilon Series)](https://support.bcn3d.com/knowledge/change-z-endstop-epsilon-series)
- [How to Check the Driver Voltage (Epsilon series)](https://support.bcn3d.com/knowledge/driver-voltage-bcn3d-epsilon-series)
- [How to Change the SD Reader (Epsilon Series)](https://support.bcn3d.com/knowledge/sd-reader-bcn3d-epsilon-series)

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- [Epsilon Series](https://support.bcn3d.com/knowledge/epsilon-series#main-content)

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    - [First steps](https://support.bcn3d.com/knowledge/epsilon-series#first-steps)
    - [Maintenance](https://support.bcn3d.com/knowledge/epsilon-series#maintenance)
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    - [Troubleshooting](https://support.bcn3d.com/knowledge/epsilon-series#troubleshooting)
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    - [Maintenance](https://support.bcn3d.com/knowledge/sigma-sigmax#maintenance)
    - [Tips](https://support.bcn3d.com/knowledge/sigma-sigmax#tips)
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