Internal Finisher (IM C400SRF Only)
SM 4-107 D0CA/D0C9/D0C8/D0CB
&
Adjustment
5. Remove the main board (PCB25).
When Reinstalling the Main Board
Check the DIP switch [A] on the old main board. If the settings on the new main board differ
from the old main board, change the settings on the new main board to match the old main
board.