Ricoh D131 Service Manual page 946

6. At [A] disconnect the harness, and then attach this harness to the new board (
7. Remove the FCU [B] (
8. Attach the new FCU [A] to the FCU bracket (
9. Attach the FCU I/F board [B] (
10. Connect the harnesses to the new FCU (
D619
x4).
x1).
x3).
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x4).
x1).
SM