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[BUG] M21 does not respond properly #4293

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timur-tabi opened this issue Nov 11, 2024 · 1 comment
Open

[BUG] M21 does not respond properly #4293

timur-tabi opened this issue Nov 11, 2024 · 1 comment
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bug Something isn't working.

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@timur-tabi
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timur-tabi commented Nov 11, 2024 •
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Printer model

MK3.5s

Firmware version

6.1.3+7898

Upgrades and modifications

None

Printing from...

USB

Describe the bug

When a USB drive is inserted, the M21 command is supposed to respond with one of the following:

  • SD card ok
  • Card successfully initialized

However, all it does is:

2024-11-10 09:29:37,617 - Send: M21
2024-11-10 09:29:37,637 - Recv: ok

This makes Octoprint think that the SD card (technically the USB drive) is not available, even though it is.
@timur-tabi timur-tabi added the bug Something isn't working. label Nov 11, 2024
@timur-tabi
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See also OctoPrint/OctoPrint#5077 for the debug trail.

@timur-tabi timur-tabi mentioned this issue Nov 11, 2024
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