¶ 1.Tools:
- S1.5 Allen key
- S2.5 Allen key
¶ 2. Check the Printhead NTC Cable:
¶ Step 1: Turn Off the Printer
Before inspecting the connections, turn off the printer and disconnect it from the power source to ensure safe operation.
¶ Step 2: Remove the Printer head case
(1) Follow the diagram below to remove the printer head case.
Note: The printer head case is not secured with screws and can be removed directly.
(2) Disconnect the model cooling fan cable (red wire) and the signal light cable (black wire).
¶ Step 3: Check the printhead NTC cable
Check whether the NTC cable on the printing head is loose and reinsert the NTC cable.
¶ 3. Check the printhead connection cable:
¶ Step 1: Check the printhead cable
Gently pull the print head connection wire to check whether the print head connection wire is loose. If the print head cable is loose, use the S1.5 allen key to tighten the two screws holding the print head cable.