Ricoh G133 Service Manual page 263

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
610 D Mechanical counter error: Bk
611 D Mechanical counter error: FC
This SC is only for NA models.
The machine detects the mechanical counter error when SP5987-001
is set to "1".
- -
Disconnected mechanical counter
Defective mechanical counter
1. Check or replace the mechanical counter.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
621 D Finisher communication error
622 D Paper tray unit communication error
While the IOB communicates with an optional unit, an SC code is
displayed if one of following conditions occurs.
The IOB receives the break signal which is generated by the
peripherals only just after the main switch is turned on.
When the IOB does not receive an OK signal from a peripheral
100ms after sending a command to it. And when the IOB does not
receive an OK signal even after sending the command 3 times, the
IOB resends the command.
- -
Cable problems
IOB problems
EGB problems
PSU problems in the machine
Main board problems in the peripherals
1. Check if the cables of peripherals are correctly connected.
2. Replace the PSU if no power is supplied to peripherals.
3. Replace the IOB or main board of peripherals.
4. Replace the EGB.
SM 4-47
SC Table
G133