The forums will be offline from 9AM EST (6AM PST) 12/12 as we will be performing scheduled forum maintenance. We hope to be back online ASAP and thank you all for your patience.
"but we feel it's unlikely that the K1 can be upgraded to the new color system. "... Creality has already stated that it would be compatible with prior K models.
You really don't need to spend the extra money for the K1C to print carbon infused filament. The K1 and K1M print it just fine as long as you swap out the nozzle for a hardened steel version. I've been printing carbon on mine for months w/o any issues.
"When mounted higher, the strain on the filament runout sensor is too much and causes the spool to twist."
From the image provided, it seems quite obvious the filament roll is meant to be routed the other orientation (upsidedown), I would call that user error.