Samsung ML 2250 - Manual (Page 177)

I NSTALLING P RINTER O PTIONS D.6
Removing the Memory or PS DIMM
1 Follow steps 1 through 3 on page D.3 to access the control
board.
2 Push the clips at each end of the connector slot away from
the DIMM.
3 Place the DIMM in its original packaging or wrap it with
paper and store it in a box.
4 Close the control board cover.
5 Tighten the two screws.
6 Reconnect the power cord and printer cable, and turn the
printer on.