Ricoh Aficio BP20N - Manual (Page 155)

I
NSTALLING
P
RINTER
O
PTIONS
B.4
4
Locate the memory DIMM slot (the upper slot) on the
control board.
5
Hold 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.
6
Close the control board cover.
Memory DIMM