The name of the G-Code file should only begin with a letter or a number instead of an underscore or any other character.Some of the other things to keep in mind are: So, one of the first things you should do is to name the file without any spaces and if there are any, rename it and insert the SD card again to test if it works. This could be the reason for your 3D printer not reading the SD card because if the G-code file name has spaces in between, the printer may not even recognize it while showing an immediate SD card error message. Remove Spaces in G-Code File NameĪlmost all 3D printers consider spaces as an unidentified character. If you have saved the g-code file with a name bigger than 8 characters, the printer may not even display the SD card as inserted.Īnother thing to keep in mind is to not have a folder with underscores in the name because it can cause reading issues. When they renamed the file and mitigated the characters within the 8 characters limit, the issue was resolved without requiring a second try. Many people have claimed on Reddit forums and in YouTube comments that they were having the same issue of a 3D printer not reading the SD card. It is a standard for most 3D printers such as the Ender 3 that the g-code file currently uploaded in the SD card should be named within the 8 characters limit. Use OctoPrint to Get Around Needing an SD Card.In most cases, the issue is related to software while in some cases, hardware such as the MicroSD Card itself or SD Card Port could also be at fault.īelow are some of the most effective solutions to apply if your 3D printers are not reading SD cards. Some fixes are more common than others, and in some cases, you might have a major fault. There are many reasons why your 3D printer might not successfully read your SD card.
How to format sd card for ender 3 how to#
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