4Locate the memory DIMM slot (the upper slot) on the control board. The PS DIMM is installed in the lower slot. Slots are not interchangeable.

Memory

DIMM

PS DIMM

5Hold the memory DIMM so that the notch and the connection point are aligned with the slot as shown, and insert it all the way into the upper slot.

6Close the control board cover.

E.4 INSTALLING PRINTER OPTIONS

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Samsung ML-2251NP manual Dimm PS Dimm