Bedienungsanleitung Lexmark Prestige Pro 808 (Seite 132 von 167) (Englisch)

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4 Watch the Device Manager window while connecting a USB cable or another device to the USB port. The window

refreshes when Device Manager recognizes the USB connection.

• If there is activity on Device Manager but none of the previous solutions worked, call Customer Support.

• If there is no activity on Device Manager, there may be a problem with your computer and its USB support.

The computer must recognize the USB connection in order for installation to work.

Cannot print and there is a firewall on the computer

Third-party (non-Microsoft) firewalls can interfere with wireless printing. If the printer and computer are configured

correctly, and the wireless network is working, but the printer will not print wirelessly, then a firewall could be the

problem. If there is a firewall (other than the Windows firewall) on the computer, try one or more of the following:

• Update the firewall using the most recent update available from the manufacturer. Refer to the documentation

that came with your firewall for instructions on how to do this.

• If programs request firewall access when you install the printer or try to print, make sure you allow those programs

to run.

• Temporarily disable the firewall and install the wireless printer on the computer. Re-enable the firewall when you

have completed the wireless installation.

Communication with printer lost when connected to Virtual Private Network (VPN)

You will lose your connection to a wireless printer on your local network when connected to most Virtual Private

Networks (VPNs). Most VPNs allow users to communicate with only the VPN and no other network at the same time.

If you would like to have the ability to connect to your local network and to a VPN at the same time, the system support

person for the VPN must enable split tunneling. Be aware that some organizations will not allow split tunneling due to

security or technical concerns.

Wireless troubleshooting

• “Resetting the wireless settings to factory defaults” on page 132

• “Cannot print over wireless network” on page 133

• “Wi-Fi indicator light is not lit” on page 136

• “Wi-Fi indicator light is green but the printer does not print (Windows only)” on page 136

• “Wi-Fi indicator light is still orange” on page 137

• “Wi-Fi indicator light is blinking orange during installation” on page 138

• “Wireless print server not installed” on page 142

• “'Communication not available' message displays when printing wirelessly” on page 142

• “Communication with printer lost when connected to Virtual Private Network (VPN)” on page 132

• “Resolving intermittent wireless communications issues” on page 144

Resetting the wireless settings to factory defaults

1 From the home screen, navigate to Reset Network Settings:

> Network Setup > Reset Network Settings

2 Touch Yes.

The printer wireless settings are reset to factory default settings. To verify, print a network setup page.

Troubleshooting

132

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Lexmark Prestige Pro 808 Seite 132

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