Canon LBP6780x - Page 243

Click [Utility].
4.
Click [Printer Information].
5.
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If [Bidirectional] is displayed for [Communication Method], the options are automatically set.
If [Unidirectional] is displayed for [Communication Method], you must set the options manually (see "Manually Setting the
Printer Options").
Mac OS X 10.6 and Later
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