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.
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.
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.
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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
Take your e-waste to a certified recycler. Check how we do it in BCN3D.
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