Epson AcuLaser C4200DN - Page 292

292 Installing Options
5. Identify the memory slot. Its position is shown below.
* Memory slot
6. Hold the memory module and insert it into the slot in the
orientation shown below until it stops. Then press both sides
of the memory module down. Confirm that the notch on the
memory module matches that of the memory slot.
*notch
*
*