Checks / troubleshooting:
1. Check the ink in the ink cartridge.
2. Check the ink cartridge with no ink in “15: Ink
END KCMY” in the self-diagnosis function to
see if the ink cartridge displayed is the same
one with the error.
3. Check the connection of the connectors of
Sub tank control relay cable.
*Check the connection of the connectors on
the path.
4. Is there ink leakage or bleeding around the
connection area of Ink tube?
5. Has the ink cartridge been left removed?
6. Check if Solenoid valve is functioning
normally in “Ctrl2 : Test” - “Test2: Sensor" -
"Sen.19: TankValve" in the self-diagnosis
function.
7. HEATER JUNCTION board may be
damaged.

Recommended actions:
Replace the ink cartridge when there is no ink.
If there is sufficient amount of ink, refer to the
check item 2.