To remove the inner cover, follow the next steps:
1. Raise up the printing surface: Utilities/Maintenace/Move printing surface.
Note: If you can't move the printing surface from the touchscreen, manually spin the Z axis lead screw clockwise in order to raise the surface. Use a piece of paper to have a better grip.
2. Turn off and disconnect the BCN3D Sigma.
3. Remove the extruder motors cover in the back of the printer by loosening the two thumbscrews.
4. Remove the lower bowdens from the FRS.
5. Remove the Z cable covers. Follow the next article to know the process:
How to remove the Z cable cover.
Note: if you only need access to the electronics component, you don't need to remove the z cable cover. Only is necessary remove the frontal inner cover.
x11 M3 10mm
7. Remove the back part of the inner cover
8. While flexing the front inner cover, pull the bowden tubes into the printer.
9. Gently flex the inner cover like a "U" in order to remove it.
Warning! Be careful when doing this and don't flex it more than necessary. The inner cover can break if you apply too much force.
The inner cover has a sticker with the serial number of the printer written on it. This sticker can fall off during this process, if it does, make sure to stick it back on the inner cover.
Conclusions
To assemble the inner cover, follow the previous steps in reverse order. Pay attention on the orientation of the inner cover and plug the bowdens back correctly.
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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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