How to fix Error C610 in Kyocera 1510

Do you have a problem with the heat unit?

Follow these steps:

1. Press Stop and Print buttons at the same time.
2. Next, press LIGHTER.
3. Press STOP again.
4. Once you enter in SERVICE MODE.
5. Press 163.
6. Press PRINT.
7. Afterwards, press 001.
8. To exit, turn OFF and ON the unit. 

Kyocera 1510

Once you have completed all the steps, the problem should disappeared.