Sc200 (Led Optics) - Ricoh M0A0 Service Manual

6.Troubleshooting
SC No. Level
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the
following steps.
Check if the SC reoccurs by cycling the power after each step.
1.
2.

SC200 (LED Optics)

SC No. Level
SC230-00 D
SC No. Level
SC231-00 D
SC No. Level
SC277-00 D
246
Error Name/Error Condition/Major Cause/Solution
Reconnect all the connectors on the BiCU board if they are disconnected, or loose.
Replace the BiCU.
Error Name/Error Condition/Major Cause/Solution
FGATEON Error

An FGATE signal is not sent even when the laser is ready to be emitted.
This SCs is detected during printing.
 The connection between the BiCU and the controller is loose.

The BiCU is malfunctioning (damaged Laser ASIC).

Turn the main power OFF and then ON.

Check the connection between BiCU and the controller board.

Replace the BiCU.
Error Name/Error Condition/Major Cause/Solution
FGATE OFF Error
 The FGATE signal does not go OFF even when laser emission is going to end.
This SCs is detected during printing.

The connection between the BiCU and the controller is loose.
 The BiCU is malfunctioning (damaged Laser ASIC).

Turn the main power OFF and then ON.

Check the connection between BiCU and the controller board.

Replace the BiCU.
Error Name/Error Condition/Major Cause/Solution
LEDA communication error
The head type data was read three times in succession

Loosen or disconnect of FFC between the BiCU and LED array

Defective FFC between the BiCU and LED array

Defective ASIC

Defective LED array

Turn the main power OFF and then ON.

Check and connect the FFC.

Replace the FFC between the BiCU and LED array.