Atmospheric air release error 1

Error code
  • 034857 Atmospheric air release error 1
Occurrence condition
  • Pressurization to circulate ink is not released (air release) after circulation.
Assumed cause
  • Selector Unit failure
  • Ink Supply Unit failure
Related parts
  • Ink Supply Unit
  • Selector Unit
Troubleshooting
Step Confirmation and action YES NO
1

Replace the Selector Unit

[Part(s) to be checked]

None


  • After the replacement, run CL2 cleaning to see if the error still occurs.
 The error still occurs → Go to step 2

The error does not recur → End
2

Replace the Ink Supply 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