Ricoh D255-17 - Page 331

Electrical Components
SM 4-137 D255/D256/M281/M282
Replacement
and Adjustment
7. Remove the controller board [A] with the BiCU [B].
 Be careful not to damage the backside of the controller board [A] and the BiCU [B].
8. Remove the controller board [A] from the BiCU [B].
9. Remove the two guide rails [A] from the controller board [B]. (hook×2)