Oki LPR C7500 User Manual page 395

3. Insert the memory modules the slots as follows:
a. Push out the white tabs at either end of the socket.
The printer may not operate correctly if memory modules are
not fitted correctly and IN THE CORRECT SEQUENCE.
b. Align the module with the narrow strip (1) on its metallic contact
edge to the right (toward the slot identifier numbers ) of the
control board.
c. Carefully insert the module in the socket, placing the ends into
the slot in the lock tabs. Press down firmly, until you feel the
CAUTION!
C7100/C7300/C7500 Accessories • 394