Introduction
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Due to these factors, wireless may not be the best method of connection for all types of documents and
applications. If you are printing large files, such as multi-page documents with mixed text and large graphics,
you may want to consider choosing wired Ethernet for a faster data transfer, or USB for the fastest throughput
speed.
Although Brother MFC-9840CDW can be used in a both wired and wireless network, only either one of the
connection methods can be used at a time.