Lexmark C720 Setup Guide - Page 42
Remove the screw on the top end of the, option slot.
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Warning! Printer option cards are easily damaged by static electricity. Touch something metal before you touch a printer option card. Option slot System board You need a number 2 Phillips screwdriver to install a printer option card. To remove a printer option card first, refer to the Lexmark C720 online information. 1 Complete the steps for "Removing the system board" on page 23 if the system board is still installed. 2 Remove the screw on the top end of the option slot. Save the screw. You may need it to secure the printer option card to the connector bracket. 3 Remove the option slot cover. Save the option slot cover so you can reinstall it if you remove the printer option card. 4 Unpack the printer option card. Save the packing materials. Screw Option slot cover 5 Align the printer option card connector with the connector on the system board. 6 Push the printer option card firmly into the connector until it is seated on the system board. The two connectors should fit snugly together. Connector 38 Install memory and network options
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