Checks / troubleshooting:
1. Does media dust accumulate in cutter
groove?
2. Is cutter cap securely installed?
3. Check cutter sliding up/down operation.
4. When setting cutter, lower cutter with finger
and check that cutter rises to upper end only
by spring force.
5. When setting cutter after removing cutter
spring, does cutter lower to lower end by its
own weight?
6. Check if solenoid goes up/down from "Life:
Cutter" of self-diagnosis function.
a) Goes up/down:
Check the position where cutter goes down to
cutter groove.
b) Does not go up/down:
7. CR_FFC may be broken, solenoid may be
defective, or each board may be defective.
a) Replace CR_FFC with new one.
b) Replace solenoid with new one. (Check by
connecting connectors directly)
c) Replace CR board.
d) Replace MAIN board.

Recommended actions:
Remove accumulated media dust along groove.