Checks / troubleshooting:
1. Check connection of Head FFC.
2. Check connection of CR_FFC.
3. Head FFC may be damaged.
4. CR_FFC may be damaged.
5. Head may be damaged.
6. CR board may be damaged.
7. MAIN board may be damaged.

Recommended actions:
1. Check connection: Head FFC.
2. Check connection: CR_FFC.
3. Replace Head FFC.
4. Replace CR_FFC.
5. Replace Head.
6. Replace CR board.
7. Replace MAIN board.