creality ender 3 – Factory reset needed!
M502
and M500
are not files, they are G-code commands (well, they are actually M-codes, but don’t worry about that)1.
To reset your printer to the factory default settings, simply connect a terminal and send M502
.
If you are using Linux, see How to directly send G-code to printer from a Linux terminal?
See also M502 will reset all configurable settings to their “factory defaults”, which settings are those?
1 Simply put: G-codes control movement; whereas M-codes control other functions (which aren’t movements).
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