Ricoh D255-17 - Page 494

Service Call 622-691
D255/D256/M281/M282 6-56 SM
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC672-11 D Controller start up error
After the machine was powered on, communication between the
controller and the operation panel was not established, or
communication with controller was interrupted after a normal
startup.
 Controller stalled
 Board installed incorrectly
 Controller board defective
 Operation panel connector loose, broken, or defective
 Controller late
1. Turn the main power OFF/ON.
2. Check the connection of the operation panel.
3. Check the connection of the controller board.
4. Replace the controller board.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC672-12 D Controller start up error
Communication with controller was interrupted after a normal
startup.
 Controller stalled
 Board installed incorrectly
 Controller board defective
 Operation panel connector loose, broken, or defective
 Controller late
1. Turn the main power OFF/ON.
2. Check the connection of the operation panel.
3. Check the connection of the controller board.
4. Replace the controller board.