Main unit installation posture error (Only for AM-C6000/C5000/C4000)

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
  • Inclination Sensor failure
Related parts
  • Ink Supply 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 Supply Unit.


  • Is the error resolved?
 End Go to step 3

3

Check harness connection

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

If not, reconnect them properly.

[Part(s) to be checked]

  • Connectors of the Ink Supply Unit
  • 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 Supply Unit

  • Is the error resolved?
 End Contact Epson local service representatives.