Ricoh MP C3004 Field Service Manual page 388

2. Installation
2. Remove the controller box cover [A].
Red Circle: Remove / Blue Circle: Loosen
3. Release the latches and remove the standard 2GB DIMM [A].
4. Insert the Memory Unit Type M19 4GB [A] into the SDRAM socket.
Push the release latches [B] until they slip into the notch on the edge of the SDRAM.
5. Reattach the controller box cover and rear cover.
6. Turn ON the main power.
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