C-2 Printer Memory and Expansion  
EN
Installing Memory
Caution
Static electricity can damage dual 
in-line memory modules (DIMMs). 
When handling DIMMs, either wear an 
antistatic wrist strap or frequently touch 
the surface of the DIMM’s antistatic 
package, then touch bare metal on the 
printer.
If you have not already done so, print a 
configuration page to find out how 
much memory is installed in the printer 
before adding more memory 
(page 101).
1
Turn the printer off. Unplug the 
power cord and disconnect any 
cables. (If an optional duplexer is 
installed, you will need to remove 
the rear section and the cable tray 
first. Go to page C-4.)
2
Loosen the two captive thumb 
screws on the back of the printer. 
3
Grasp the screws and pull the 
formatter board out of the printer. 
Place it on a flat, non-conductive 
surface.
4
Remove the DIMM from the 
antistatic package. Hold the DIMM 
with fingers against the side edges 
and thumbs against the back edge. 
Align the notches on the DIMM with 
the DIMM slot. (Check that the locks 
on each side of the DIMM slot are 
open, or outward.)
5
Press the DIMM straight into the slot 
(press firmly). Make sure the locks 
on each side of the DIMM snap 
inward into place. (To remove a 
DIMM, the locks must be released.) 
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