Brother MFC-7840N Network User's Manual page 53

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(For Mac OS X 10.2.4 to 10.3.x) Make the following selection.
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Choose Brother MFC-XXXX (XXXX is your model name), and then click Add.
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(Mac OS X 10.4.x)
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(Mac OS X 10.3.x)
Network printing from Macintosh
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