Lost duplex printing after Mojave Installation

We can no longer print two-sided after installing Mojave. Safari, Preview, Mail, and other Apple OS applications show the option "grayed out" and not selectable. We can still print two-sided from Microsoft's Office applications, and from PDFPen Pro.

Posted on Nov 12, 2018 12:35 PM

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11 replies

Dec 29, 2018 8:49 AM in response to Barney-15E

If it helps anyone else to see my settings - this is what I did.

File > Print


In the active window go to the 3rd pop up menu on the right "Layout"


Select "Printer Features" this opens a series of pop up menus - there are quite a through and you can scroll up and down.


Make sure


2-sided printing: ON

Binding edge: 2-sided long edge

Two-sided printing: Long-Edge binding

Duplex Tumble: DuplexNoTumble


Print document. If satisfied change your presets to Last Used Settings.

Nov 13, 2018 12:34 PM in response to Barney-15E

I have the same problem. Also, I'm able two print two-sided from Google Chrome, although the print menu comes up with "Save" instead of "Print", and I have to go to the "Print Using System Dialog" option that is presented.

I tried the fix recommended above, but I got a message saying "Unable to communicate with printer", even though my printer works when I try to print.

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Lost duplex printing after Mojave Installation

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