NVT initial mode value reading NACK error

Error code
  • 031440 NVT initial mode value reading NACK error 0
  • 031441 NVT initial mode value reading NACK error 1
  • 031442 NVT initial mode value reading NACK error 2
  • 031443 NVT initial mode value reading NACK error 3
  • 031444 NVT initial mode value reading NACK error 4
  • 031445 NVT initial mode value reading NACK error 5
Occurrence condition
  • During head replacement, Nack does not return when the main unit accesses the memory to read the NVT initial mode value.
Assumed cause
  • Noise occurred when reading memory information or communication failed.
  • Head memory has failed.
  • FFC is disconnected.
Related parts
  • Print head
  • Head FFC
Troubleshooting
Step Confirmation and action YES NO
1

Check the connection status of the Head FFC

  • Is the FFC board / head side connector disconnected, half-inserted, etc.?
Go to step 2 Re-connect the connector.
2

Check the status of the Head FFC

  • Are there any scratches or breaks in the cable?
Go to step 3

Replace the FFC cable.

3

Replace the Print head

  • Does the error go away?

Contact EPSON Local Service Representatives

End