Install the shims to correct the Z offset between both nozzle tips
Shims are elements that mechanically correct the Z offset when printing in Mirror or Duplication mode.
However, this correction distorts the first layer of the model by repeating it as many time as needed. To avoid such distortion there are different options:
- Enable raft in BCN3D Cura: The offset will be corrected in the first layers of the raft, so the model won’t be affected by any Z offset.
- Install shims to mechanically correct the Z offset: Printing a raft takes time and spends material. For those users planning to use Mirror or Duplication modes frequently, it is highly recommended to install the shims when it is suggested during the Printer Calibration process.
In this video you find the steps to be taken to install the shims.
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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.
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