HCS4 related error

Error code
  • 031487 HCS4 communication error(Head)
  • 031488 HCS4 communication error(Main)
  • 031489 HCS4 HCS error(Head)
  • 031490 HCS4 HCS error(Main)
Occurrence condition
  • Head protection related error occurred
Assumed cause
  • HW abnormality or FW abnormality
Related parts
Troubleshooting

Step

Confirmation and action

YES

NO
1

Check Head USB Cable connection

  • Check if the USB Cable connecting the Head Unit is properly connected.
  • Reconnect the Head USB Cable
    Does the error still occur?
 Go to step 2 End of work
2

Check Head Harness connection

  • Check if the Head Harness connecting the Head Unit is properly connected.
  • Reconnect the harness
    Does the error still occur?
 Go to step 3 End of work
3

Check for scratches or deformation on the encoder scale of the Belt Unit

  • Remove the Belt Unit and visually inspect the encoder scale.
  • Are there any scratches or deformation?
 Go to step 4 Go to step 5
4

Replace Belt Unit

  • Does the error still occur?
 Go to step 5 End of work
5

Replace Head Unit

  • Does the error still occur?
 Contact EPSON Local Service Representatives

End of work