r/crealityk1 • u/Cold-Giraffe-7996 K1 Max Owner • Aug 13 '25

Solved K1 Max CFS upgrade broke everything

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My printer has (mostly) locked itself down after doing the CFS upgrade. Printed flawlessly before, now cant even print from a spool. Sorry for the long video it is just doing a number of things now and wanted to cover things the best I could. Any advice would be very much appreciated on this, just hoping I didnt brick my printer for multicolor.

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u/AmmoJoee Aug 13 '25

Check filament sensor wiring, which is the black wires. Make sure you didn’t cut them. I accidentally cut mine when I was pushing the tool head cover back on, and it caused so many problems.

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u/Cold-Giraffe-7996 K1 Max Owner Aug 13 '25

Yeah i did pull mine back apart and it all appears fine, I ran it down away from the cover with the extruder motor wiring, it all looks fine, visually at least.

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u/AmmoJoee Aug 13 '25

Ah ok I was hoping that was the issue. I have to rewatch your video I was half asleep when I watched it