¶ Troubleshooting steps:
¶ Step 1: Check the heating rod
1. Remove the front shell of the print head and remove the fan plug.
2. Check the print head harness behind the head to see if it is loose.
¶ Step 2: Check the print head function board
Check whether the strain gauge fixing screws are loose and whether the harness plug is loose.
1. Remove the front shell of the print head and remove the fan plug.
2. Use an S2.0 Allen Key to unscrew the fixing screws of the rear shell of the print head.