Checks / troubleshooting:
1. Is the media loaded outside the printing
range (not placed in the center or the width is
smaller than the minimum width)?
2. Is Paper edge sensor securely installed?
3. Is Platen non-reflective tape damaged?
4. Are there taint or any foreign substances on
the surface of Platen and Paper edge
sensor?
5. Is Paper edge sensor damaged?
6. Is the cable of Paper edge sensor placed on
Head securely connected?
7. Is the cable of Paper rear sensor placed
under Paper guide R securely connected?
8. Check the sensitivity of the sensor in “Sen :
EdgeAD” in the self-diagnosis function.
9. Does the media in use have low
reflectance?
10. Is CR_FFC obliquely inserted?
11. CR_FFC may be damaged.
12. CR board may be damaged.
13. MAIN board may be damaged.

Recommended actions:
Instruct the user how to load media.