Ricoh Aficio BP20N - Manual (Page 154)

I
NSTALLING
P
RINTER
O
PTIONS
B.3
B
Installing Memory
Additional printer memory is provided on DIMM(Dual In-line
Memory Module).
1 Turn the printer power off and unplug all cables from the
printer.
2 Remove the two screws on the back of the printer.
3 Open the control board cover.