Atmospheric air release error 3

Error code
  • 034873 Atmospheric air release error 3
Occurrence condition
  • Releasing pressurization (air release) to release the tank check valve when filling the tank with ink during the initial ink filling was failed.
Assumed cause
  • Selector Unit failure
  • Ink System Unit failure
Related parts
  • Ink System Unit
  • Selector Unit
Troubleshooting
Step Confirmation and action YES NO
1

Replace the Selector Unit

[Part(s) to be checked]

  • None

Does the error still occur in the ink filling sequence that needs to be performed after the replacement?

The error still occurs → Go to step 2

The error does not recur → End

2

Replace the Ink System Unit

[Part(s) to be checked]

  • None

Does the error still occur in the ink filling sequence during the replacement process?

The error still occurs → Contact Epson local service representatives. The error does not recur → End