Creality K1 Max Mute Mainboard – 32-bit, TMC2209 – CR4CU220812S12

Genuine Creality replacement mainboard for the K1 Max 3D printer. This is the upgraded “Mute” (silent) board revision, using TMC2209 stepper drivers for quieter operation compared to earlier boards.

Condition:

New / open box. This board was removed from its factory anti-static bag to inspect it, but it was never installed or powered on. No signs of damage, corrosion, burn marks, or use — QC Passed sticker intact on the back.

Compatibility:

∙ Creality K1 Max 3D Printer only (not compatible with other Creality models)

∙ Part number: CR4CU220812S12

∙ 32-bit board with TMC2209 silent stepper drivers

What’s included:

∙ 1x K1 Max mainboard (board only, as pictured)

Notes:

∙ Please verify your printer’s stepper motor size (42-48 vs 42-60) before purchasing, as Creality has released different board variants for different motor configurations

∙ You will need to flash/load the latest firmware for your printer after installation (available from Creality’s official site)

Feel free to ask any questions before purchasing. Thanks for looking!