# 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

• Analysis required error

#Troubleshooting

• Contact EPSON Local Service Representatives