Ink Leak Sensor 1, 5

Error code
  • 034841 Ink leak error 1 (Ink leak sensor 1)
  • 034846 Ink leak error 3 (Ink leak sensor 1)
  • 034866 Ink leak error 1 (Ink leak sensor 5)
  • 034869 Ink leak error 3 (Ink leak sensor 5)
Occurrence condition
  • Ink leak detected in Ink Leak Sensor 1, 5 (Ink System Unit maintenance box side)
Assumed cause
  • Ink leak from cap during CL
  • Ink leak from maintenance box during CL
  • Ink overflow from Wiper Waste Ink Pad (Ink Leak Sensor 5 in this case), etc.
  • Ink Leak Sensor incorrectly detected condensation as an ink leak.
Related parts
  • Ink System Unit
  • Cap Unit
  • Cap Motion
  • Maintenance box
  • Wiper Waste Ink Pad
Troubleshooting
Step Confirmation and action YES NO
1

Check if the installation environment is excessively humid, or if condensation has formed.

Is the product installed in a location that is not the recommended installation environment?

If condensation has formed, does the symptom continue to occur several hours after being moved to a drier location?

 Go to step 2

End
2

Open the Right Door Unit and check if there is any ink on the Cap Motion gutter

[Part(s) to be checked]

    • Cap Motion gutter

Is there any ink on the Cap Motion gutter?

 Go to step 3

Go to step 5
3

Remove the Ink System Unit, then look inside and check for ink leaks

[Part(s) to be checked]

    • Ink leakage into the Ink System Unit tray

Is there any ink on the Ink System Unit?

 Go to step 4 Go to step 5
4

Clean the leaked ink and replace the unit with a new one

[Action]

    • Clean the gutter (clean the entire interior of the main unit around the Cap Motion)
    • Replace the Ink System Unit with a new one
    • Replace the Cap Motion Unit with a new one
    • Replace the Cap Unit with a new one

Did the trouble go away?

 End Contact EPSON Local Service Representatives
5

Remove the left side exterior cover, check if the harness and FFC cable are connected to the Ink System Unit properly, then check if there is any water

[Part(s) to be checked]

    • Ink System Unit harness and FFC cable connector

[Action]

    • Insert the harness and FFC cable connector correctly
    • Wipe away any water

Did the trouble go away?

 End

Go to step 6
6

Replace the Ink System Unit

If there is any wet ink on the wiper, replace it as well.

Does the error still occur?

 Contact EPSON Local Service Representatives End