PUMP PID driving time error (error code: 000850)

Cause

  • The drive time of the Supply Pump Motor0 exceeded the set time.

Suspected cause
  • Main Board Assy failure
  • Faulty assembly or failure of Ink Supply Unit
Troubleshooting

Procedure

Check and measure

Yes

No
1

Check the reproducibility
Did the corresponding error occur?

Replace the following parts in sequence.

  • Main Board
  • Ink Supply Unit

Inquire at Epson Service Support department.