Ricoh D129 - Page 216

Duplex
D129/D130 4-76 SM
6. Keep the right door fully open.
7. Push up the duplex unit a little bit, while pressing the bracket [D] to lock the spring [E].
 Do not let the duplex unit open fully before releasing the wire (step 9). Otherwise,
the lock for the spring [E] is released.
8. Wire [F] (
x 1)
9. Push the projection [G].