Checks / troubleshooting:
6. Check “Encoder: CR” in “Check: Test” –
“Test: Encoder” in the self-diagnosis
function.
• Mover Carriage to see if the values on the
panel increases/decreases as follows.
• CW direction: Increase
• CCW direction: Decrease
7. Check the connection of Cover sensor and
Maintenance Cover Sensor.
8. Carriage lock solenoid may be damaged.
(Check if “ON” is displayed when Carriage is
locked and “OFF” is displayed when
Carriage is moved in “Sen.: CR Origin” in the
self-diagnosis function.)
9. Check the connection of CR board.
10. HEATER RELAY board may be damaged.
11. MAIN board may be damaged.

Recommended actions:
When NG:
a) Check the cable connection at the following
places.
• CR board connector
b) Replace the following parts.
• CR encoder
• T fence
• CR motor
• CR_FFC
• CR board