Ricoh MP C3004 Field Service Manual page 1077

1. Turn the machine power OFF/ON.
2. Do the action in the flowchart below to determine the cause and best course of action
when SC672 occurs.
• If the SC recurs after you do the action in this flowchart, do the following.
- If SC819 (cache error) appears in the SC history, replace the controller board.
- If SC991 (SCS: scs time count level c') appears in the SC history, replace the controller board
and USB cable.
Flowchart to determine parts to replace when SC672 occurs
Parts
USB cable
Operation panel
CTL
Memory
Flowchart to determine parts to replace when no display on operation panel
How to determine the cause
LED on CTL blinks for 1 second
LED on CTL blinks for 1 second
LEDs on CTL blink constantly
LEDs on CTL blink constantly
Troubleshooting for SC Errors
1069