Kyocera FS-680 - Manual (Page 138)

Appendix D Indicators
D-5
Call-service person errors
When the indicators alternate between two different flashing
states as diagrammed below, one of the Call-service person
errors is meant. Contact your Kyocera dealer.
Lit Off
Main motor error (E1 error)
Please contact your Kyocera dealer.
Scanner motor error (E2 error)
Please contact your Kyocera dealer.
Scanner pin-photo error (E3 error)
Please contact your Kyocera dealer.
Fuser error (E4 error)
Please contact your Kyocera dealer.
Toner motor error (E9 error)
Please contact your Kyocera dealer.
Controller check sum error (F1 error)
Please contact your Kyocera dealer.
Controller RAM read/write error (F2 error)
Please contact your Kyocera dealer.