Brother MFC-9840CDW Network User's Manual page 18

Introduction
An access point is on the network, but the computer is not wireless capable
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This type of network has a central access point at the heart of the network. The access point is connected to
a computer which is not wireless capable with the Ethernet cable. When the Brother wireless machine (your
machine) is a part of this network, it receives all print jobs via an access point.
1 Access point
2 Wireless network printer (your machine)
3 Wired computer connected to the access point
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