How to Replace Creality K1 Series Toolhead PCB

Modified on Sun, 8 Sep at 10:32 AM

Spare Part: https://store.dremc.com.au/products/creality-k1-toolhead-pcb

Video:

Written Guide:

Source: https://wiki.creality.com/en/k1-flagship-series/k1-max/service-part/nozzle-sub-board-replacement

This is a mirror of above source documentation from Creality, its provided as mirror in case you have difficulty accessing above link.

1. Turn off the machine and unplug the power cord.

2. To disconnect the transfer cable terminal on the left side of the nozzle sub-board, use an Wrench to remove the two securing screws located above the AI Lidar and the two securing screws on the sides of the fan cover.

3. Remove the fan cover and disconnect the model fan connector.

4. Using an wrench, remove the three hex screws that secure the nozzle sub-board.

5. Firstly, remove the stick glue, and disconnect all the wires on the Sub-board.

6. Remove the fan connector from the old nozzle sub-board, insert the connector into the slot of the new nozzle sub-board with the fan label facing away from the sub-board, aligning it with the fan mounting holes. Insert three screws into the nozzle sub-board and fan mounting holes to secure the nozzle sub-board.

7. Insert the terminals of the motor wire, ceramic heater ring wire, thermistor wire, Lidar module data transmission cable, and sub-board data transmission cable into their respective slots on the sub-board. Once inserted, use an Wrench to tighten the three nozzle sub-board securing screws.

8. Ensure that the terminal positions, orientations, and engagement in the slots on the nozzle sub-board are correct.

9. Take the fan cover and insert the model cooling fan connector into the corresponding terminal port on the front of the nozzle sub-board. Tighten the two screws on the left and right sides of the fan cover to secure it.

10. Place the AI Lidar cable into the mounting hole shown in the square of the picture below. The alignment posts at the top of the module must be inserted into the alignment holes on the mounting bracket.