TRANSISTOR TEMPERATURE ERROR (ERROR CODE: 031003)
Cause
Occurs if an FET of the main board or head drive circuit exceeds a set temperature.
Suspected cause
- Head FFC inserted slanted
- Print head failure
Troubleshooting
| Step | Confirmation and action | Yes | No |
|---|---|---|---|
| 1 | Did the corresponding error occur after the power was turned off and then back on? |
Replace the following parts in sequence.
(If the trouble is not resolved, contact service support.) |
End |