How to Create a Black and White Printing Preset in MacOS

Step1: Click File > Print from the menu bar and choose Black & White printing.

After you select the settings you want to use for black and white printing, click the Presets drop-down menu.

Step2: Click Save Current Settings as Preset.

Step3: Enter a name for your preset: B&W, for example. If the option appears, choose between saving the preset for All Printers or Only This Printer.

Click OK.

Credit : https://www.lifewire.com/print-in-black-and-white-on-mac-4178300