Checks / troubleshooting:
1. Check ink in ink cartridge.
2. Check ink cartridge with no ink in self-
diagnosis function to see if ink cartridge
displayed is same one with error.
3. Check connection of I/C Cables.
4. Check connection of JUNC_ID Cable.
5. Check connection of JUNC_FFC
7. Is there ink leakage or bleeding around
connection area of Ink tube?
8. I/C cable may be damaged.
9. JUNC_ID cable may be damaged.
10. JUNC_FFC may be damaged.
11. JUNCTION Board may be damaged.
12. MAIN board may be damaged.

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