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According to a reply to this post:
>The writer's of your libc have decided that the return value of scanf should not be ignored in most cases, so they have given it an attribute telling the compiler to give you a warning.
>If the return value is truly not needed, then you are fine. However, it is usually best to check it to make sure you actually successfully read what you think you did.
by
printerihardlyknower
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Slic3r
Sorry to necro this post, but I had the same issue with my 8" Pegasus from Makerfarm and found a solution that no one said outright in this thread. X axis was working, but wouldn't home. I don't know why it worked, but switching the X direction and changing the X home direction to -1 fixed the problem for me. I guess it just doesn't like "#define X_HOME_DIR 1"?
by
printerihardlyknower
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Reprappers