Xerox 4520mp manual With your fingers, Loosen, Thumbscrews are not, Removable

I n s t a l l i n g a S I M M

5 With your fingers,

loosen the

thumbscrews.

Thumbscrews are not

removable.

SIMMs and controller boards are sensitive to static electricity.

!Before installing a SIMM, discharge static electricity from your body by touching something metal, such as the metal

Caution back plate on any device plugged into a grounded power source. If you walk around before finishing the installation,

again discharge any static electricity.

Never remove the printer controller board while the printer is plugged in.

C h a p t e r 5 : A d d i n g P r i n t e r O p t i o n s ❖ 5-7