this post was submitted on 29 Jan 2024
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3DPrinting

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As you might be aware BambuLab issued a recall for the BambuLab A1 3d-printer. In particular, the issue is the mains-voltage (230V AC) heat bed cable.

As a resolution, they offer two solutions:

  1. Ship the entire printer back to them and receive a replacement printer.
  2. They mail a new cable and you install it.

What BambuLab doesn't mention at all is the test according to EN 50678 (Verification of the effectiveness of protective measures of electrical equipment after repair). Unless you can perform this test I would recommend choosing the printer replacement.

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[–] [email protected] 4 points 6 months ago (1 children)

The Voron printers are a good example of conservative design philosophy. Trident and v2.4 both use AC mains because the bed is relatively stationary. Voron V0 uses DC because it is a small bed. Voron Switchwire uses DC because it is a bed slinger design and moves around so much.

[–] [email protected] 1 points 6 months ago