My kyocera taskalfa 180 showing c6400 error please help.
C6400 is a fixing unit error.
To reset -
Try this, enter "10871087" from keypad, You should now be in maintenance mode.
Enter "163"press "Start / Print" key.
You should see a screen that says "Execute".
Cursor / highlight "Execute".
Press "Start / Print key.
The machine will turn off and should come back to ready. If not then you need to replace the fixing unit.
I hope this is helpful,