Dell 2355dn Multifunction Mono Laser Printer - Manual (Page 323)

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Precautions When Installing Printer Accessories
Never remove the control board while the printer is plugged in.
To avoid the possibility of an electrical shock, always disconnect the power cord when installing
or removing ANY internal or external printer option.
The control board and internal printer memory are sensitive to static electricity. Before installing
or removing an internal printer memory, discharge static electricity from your body by touching
something metal on any device plugged into a grounded power source. If you walk around before
finishing installation, discharge any static electricity once again.
Installing Printer Memory
Additional printer memory is provided on a Dual In-line Memory Module (DIMM).
Your printer has 256 MB of memory. Additional 256 MB can be installed. Do not remove
preinstalled memory. Just add one more DIMM in the DIMM socket.
NOTE: Your printer supports only Dell DIMMs. Order Dell DIMMs online at
www.dell.com.
1 Power the printer off and unplug all cables from the printer.
2 Grasp the control board cover and open it.
3 Remove a new memory DIMM from its antistatic package.
4 Holding the memory module by the edges, align the memory module on the slot at about a
30-degree tilt. Ensure that the notches of the module and the grooves on the slot fit each
other.