Lexmark C4342 Users Guide - Page 54
Installing wireless modules, Installing MarkNet N8370 Wireless Print Server
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Set up, install, and configure 54 Installing wireless modules Installing MarkNet N8370 Wireless Print Server CAUTION-SHOCK HAZARD: To avoid the risk of electrical shock, if you are accessing the controller board or installing optional hardware or memory devices sometime after setting up the printer, then turn the printer off, and unplug the power cord from the electrical outlet before continuing. If you have any other devices attached to the printer, then turn them off as well, and unplug any cables going into the printer. 1 Turn off the printer, and then unplug the power cord from the electrical outlet. 2 Using a flat‑head screwdriver, remove the controller board shield. Warning-Potential Damage: Controller board electronic components are easily damaged by static electricity. Touch a metal surface on the printer before touching any controller board electronic components or connectors.