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I've just received my Ender 3v2 and tried multiple SD cards, all have been formatted to FAT32 with no luck. Under the Print selection, all I get is the back button. I looked and I have the V4.2.2 and the firmware is up to date, Showing 1.0.2 unless this is not right and this is why I'm having this issue. Even when plugging directly into the computer, nothing is showing up.

agarza
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Diabetic Max
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5 Answers5

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Abd to follow along with J Boughtons advice, I've noticed if the word "end" is in the first file, it won't read any of the files.

L Smith
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What helps for me is re-inserting the TF card several times. Indeed, the machine has some trouble reading it, strange because this would seem to be an easy problem compared to the overall design of the printer....

michiel perdeck
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I have the same issue but whilst none of these worked for me they have worked for other people:

  • Make sure the name of the G-code file begins with a letter or number
  • Make sure the G-code is not in a subfolder
  • Make sure the name of the G-code file is less than or equal to 8 characters long

After I attempted all of these, reinserting the SD card multiple times worked but I don't know what fixed it or if it was just I had been putting it in wrong though I didn't try anything different.

Jacob Boughton
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Just to be sure - you know that the SD Card reader in an Ender 3 is upside down? That means the visible contacts on the micro-SD card have to be facing upward.

If someone has forced a card in the wrong-way around, it could have damaged the reader.

Personally, once I got OctoPrint working I never print from microSD card at all. Not a solution but a workaround.

Criggie
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Do not overlook the possibility of the card not being formatted properly like I did. Make sure it is FAT32 or another supported format.

luek baja
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