We may have found other answers which could help you.
Click here for Code Concerning Displaying
error c-6 400 in kyocera KM-1500?
Kyocera error C4100?
how do i fix an erro op2 in a km-1620 copier?
How can I fix my kyocera KM-1500 photocopier?
Where can I get firmware for my Kyocera printer?
kyocera model 1620 error c-06?