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Lexmark MC2640

Lexmark MC2640

Cannot connect the printer to the Wi‑Fi network

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Step 1

Make sure that Active Adapter is set to Auto.

From the control panel, navigate to:

Settings > Network/Ports > Network Overview > Active Adapter > Auto

For non‑touch‑screen printer models, press to navigate through the settings.

Can the printer connect to the Wi‑Fi network?

The problem is solved.

Go to step 2.

Step 2

Check if the correct Wi‑Fi network is selected.

Note:  Some routers may share the default SSID.

Are you connecting to the correct Wi‑Fi network?

Go to step 4.

Go to step 3.

Step 3

Connect to the correct Wi‑Fi network. For more information, see Connecting the printer to a Wi‑Fi network.

Can the printer connect to the Wi‑Fi network?

The problem is solved.

Go to step 4.

Step 4

Check the wireless security mode.

From the control panel, navigate to:

Settings > Network/Ports > Wireless > Wireless Security Mode

For non‑touch‑screen printer models, press to navigate through the settings.

Is the correct wireless security mode selected?

Go to step 6.

Go to step 5.

Step 5

Select the correct wireless security mode.

Can the printer connect to the Wi‑Fi network?

The problem is solved.

Go to step 6.

Step 6

Make sure that you entered the correct network password.

Note:  Take note of the spaces, numbers, and capitalization in the password.

Can the printer connect to the Wi‑Fi network?

The problem is solved.

Contact customer support.

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