Bedienungsanleitung Lexmark Pro 915 (Seite 119 von 200) (Englisch)

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How can I improve wireless signal strength?

A common reason wireless printers fail to communicate over a network is poor wireless signal quality. If the signal is

too weak, too distorted, or blocked by an object, then it cannot carry information between the access point (wireless

router) and the printer.

If you think signal strength is a problem between your access point and the printer, then try one or more of the following:

Notes:

• The solutions below are for infrastructure networks. If you are using an ad hoc network, then adjust the

computer when the solution suggests adjusting the access point.

• Ad hoc networks have a much shorter range than infrastructure networks. Try moving the printer closer to the

computer if they seem to have trouble communicating.

CHECK THE WIRELESS SIGNAL QUALITY

To determine if the printer is receiving a strong signal from the access point, print a network setup page. The Quality

field indicates the relative strength of the wireless signal the printer is receiving. Drops in signal strength can be

intermittent, however, and although the signal quality appears high, it may drop during certain conditions. If the

signal quality is listed as good or excellent, then another factor is causing the problem.

For more information on printing a network setup page, see the User's Guide.

MOVE THE PRINTER CLOSER TO THE ACCESS POINT

If the printer is too far away from the access point, then it will not be able to communicate with other devices on

the network. For most indoor wireless networks, the maximum distance between the access point and the printer

is approximately 100 feet (30 meters). This distance could be longer or shorter, depending upon the layout of the

network and the limitations of the access point.

REMOVE OBSTACLES BETWEEN THE ACCESS POINT AND THE PRINTER

The wireless signal from your access point will pass through most objects. Most walls, floors, furniture, and other

objects will not block the wireless signal. However, there are materials that are too dense for the signal to pass

through, such as objects containing metal and concrete. Arrange your printer and access point so that the signal is

not blocked by such objects.

REMOVE SOURCES OF INTERFERENCE

Other types of radio frequencies can cause problems with the wireless signal on your network, resulting to printing

issues that seem to come and go.

• Turn off potential sources of interference where possible.

• Avoid using microwave ovens, cordless phones (but not cellular phones), baby monitors, almost any kitchen

appliance, wireless surveillance equipment, or any appliance containing a motor when printing over your wireless

network.

• If another wireless network is operating in the vicinity, then change the wireless channel on the access point.

• Do not place your access point on a printer or other electronic device. Such devices can also interfere with the

wireless signal.

Networking 119

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Lexmark Pro 915 Seite 119

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