Kyocera Ecosys FS-600 Service Manual page 148

Power-up diagnostics sequence
The printer automatically performs the self-diagnostics sequence in several checkpoints
at power up. Each step of checkpoints is confirmed by the combined indication of LED
indicators on the control panel.
Printer power-up
!
"
Engine controller initialization—#1
Indication
All LEDs lit for 0.5 sec.
ONLINE/A4
DATA/LTR
MANUAL/LGL
CASSETTE/OTHERS
JAM
TONER
!
#
Engine controller initialization—#2
Indication
All LED off for 0.5 sec.
ONLINE/A4
DATA/LTR
MANUAL/LGL
CASSETTE/OTHERS
JAM
TONER
!
Power-up diagnostics sequence
Suggested cause if the indication fails (Corrective action)
•
Engine board error (Check KP-589 [FS-600] or KP-717 [FS-680]
board).
•
LED board error (Check KP-591 board).
•
LED cable error (Check cable between KP-591 and YC401).
•
Power supply error (Check +5V output at power supply).
Suggested cause if the indication fails (Corrective action)
•
Engine board error (Check KP-589 [FS-600] or KP-717 [FS-680]
board).
•
LED board error (Check KP-591 board).
•
LED cable error (Check cable between KP-591 and YC401).
6-22
Troubleshooting
FS-600/FS-680