Ink path temperature error

Error code
  • 031021
Assumed cause
  • Head Control Board Cooling Fan failure
  • Filter clogged at air inlet
  • Abnormal heat generation due to drive circuit failure
Related parts
  • Head Unit
  • Head Board Cooling Fan
  • Filters
Troubleshooting
Step Confirmation and action YES NO
1

Check individual operation of fans

  • Check individual operation from service support mode
    Operates properly?
 Go to step 2 Go to step 3
2

Check the filters at the air inlet

  • If the air intake filter is clogged with dust, etc., remove it.
    Does the error go away?
 End

Go to step 4
3

Replace the Fan

  • Does the error go away?

End

 Replace the Head Unit