Main unit installation posture error

Error code
  • 034871 Main unit installation posture error
Occurrence condition
  • The main unit was detected to be tilted more than ±3°.
Assumed cause
  • The main unit is tilted by ±3 degrees or more, or placed on an unstable surface.
  • Incorrect correction value for the Inclination Sensor
  • Connection failure of the harness
  • Tilt Sensor failure
Related parts
  • Ink System Unit
Troubleshooting

Step

Confirmation and action

YES

NO

1

Check if the main unit is tilted

Correct the posture of the main unit so that the tilt is less than 3 degrees.

  • Is the error resolved?
 End Go to step 2

2

Enter the correction value for the Inclination Sensor

Enter the correction value, which is indicated on a label attached to the Ink System Unit.

  • Did the trouble go away?
 End Go to step 3

3

Check harness connection

Are the harness connectors that connect to the Ink System Unit properly connected?

If not, reconnect them properly.

[Part(s) to be checked]

  • Ink System Unit Connector
  • Other connectors and FFCs you disconnected and reconnected

[Action]

  • Connect the connectors properly.

Is the error resolved?

 End Go to step 4
4

Replace the Ink System Unit

  • Did the trouble go away?
 End Contact EPSON Local Service Representatives