Checks / troubleshooting:
1. Turn machine OFF. Turn it ON again and check if the
same message appears.
2. Check presence of ink cartridge from "Sen: Ink NOT" of
self-diagnosis function.
3. Check contact of ink sensor Assy connector.
4. For the ink color that is displayed as "No cartridge",
switch ink sensor Assy connector with that of normally
displayed ink color.

Recommended actions:
If message appears: Refer to action in check item
No. 2.