Epson SureColor F6000 Series Settings Manual page 28

Reference :When you can not proceed ink charge,
check the ILS sensor.
1. Turn ON "Service man mode" [Menu]+[
2. [SELF TESTING]
All Color ILS "OFF"
SEGroup Confidential Until: Permanent
[Mecha Adjustment]
OK
]+[OK]
[Sensor Check] ILS
C ILS is "ON " C Ink Tank position is
FYI: Normal Power ON mode error
NG
Check again of C
Ink Tank position