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HP Officejet Pro 8100 ePrinter - Unable to Connect to a Wireless Network When Using WEP Encryption and Shared Key Authentication

Issue
When you attempt to connect wirelessly to a network with WEP encryption and Shared Key Authentication, the product fails to connect. A wireless network test report might indicate that the connection failed due to MAC filtering.
Solution
Follow these steps in the order presented to resolve the issue.
Step one: Open your router's configuration utility
Use one of the following methods to open your router's configuration utility.
The following steps might vary depending on your router’s manufacturer. Use the following steps as a guide to configure your network settings.
  note:
HP recommends that you secure your network with WPA or WPA2 wireless security, if your router and network devices support it.
  1. Locate the wireless configuration settings using the router’s configuration utility.
  2. Locate the router’s Authentication Type settings, and then change the Authentication type to Auto or Open.
  3. Click Save, and then close the configuration utility.
Step three: Restore your product's network default settings
Follow these steps to restore your product's network default settings.
  1. Press and hold the Cancel (), the Wireless (), and the Power () buttons for three seconds.
  2. Follow these steps to print a wireless network test report to make sure that the network settings are reset:
    1. Load plain, white paper in the paper tray.
    2. On the product control panel, press the Resume button () and the Wireless button () simultaneously, and then release the buttons. The product prints the Wireless Network Test page.
  3. On the Wireless Network Test page, check the 802.11 Wireless section.
    The Status should say Connected. The Network Name (SSID) should be the correct wireless network for your networked HP product.
    • If the HP product is connected to the correct wireless network, you do not need to continue troubleshooting.
    • If the HP product is not connected to the correct wireless network continue to the next step.
Step four: Uninstall the HP software
Follow the steps for your operating system to uninstall the HP software.
  note:
The following steps require you to restart the computer. Consider bookmarking this page on your Web browser, so that you can reference it after restarting the computer.
Step five: Reinstall the HP software
  1. Use one of the following methods to reinstall the software.
    • Download from the Web: Click the following link, HP Software and Drivers, to download the latest software from the HP Web site. The software available on the HP Web site is usually more current than the software on the CD.
    • Software CD: Insert the software CD that shipped with your HP product into the computer.
  2. Follow the on-screen instructions to complete the software installation and wireless network setup for the HP product.

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