Head temperature error

Error code
  • 031004
Occurrence condition
  • Abnormal heat generation due to Head Unit failure
  • Abnormal heat generation due to drive waveform failure
Assumed cause
  • Head Failure
  • Head Drive Board failure
  • Head FFC failure / connection failure
Defect-related parts
  • Head Unit
  • Head Drive Board
  • Head FFC
  • Main Board
Troubleshooting
Step Confirmation and action YES NO
1

Check when an error occurs

  • Does it occur immediately after printing starts?
 Go to step 3 Go to step 2
2

Check the connection of the Head FFC

  • Check if there is no problem inserting FFC
  • Check the route visually for FFC disconnection and check for scratches

Does the error go away?

 End Go to step 3
3

Replace the Head Unit

  • Does the error go away?
 End Go to step 4
4

Checking the connection of the FFC connecting the Main Board to the Head Drive Board

  • Check if there is no problem inserting FFC
  • Check the route visually for FFC disconnection and check for scratches

Does the error go away?

 End Go to step 5
5

Replace the Head Drive Board

  • Does the error go away?
 End

Replace the parts/components to be checked one by one.