Sharp MX-3070N User Manual page 350

PRINTER►CONVENIENT PRINTING FUNCTIONS
Mac OS
(1) Select [Tandem Print].
(2) Click the [Tandem Print] checkbox so that
To use the tandem print function, you must select the protocol to be used as instructed in the message that appears when
you add the printer driver in the "Printer Setup Utility".
(2)
appears.
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(1)