I can't for my life figure this out?! The accepted answer here isn't helping me.
3 Answers
Found it! It was hidden in the depths of Preview printing options. Select Paper Type/Quality and it's under 'Color Options':
EDIT - Cullub
In OSX 10.10.3, Preview
Under Quality & Media
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2In El Capitan, I found it in Image Options > Output Color > Black and White. I'm glad OS X makes this consistent. Mar 11, 2016 at 2:20
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4I also have El Capitan and the only menu options I have are "preview", "layout", "color matching", "paper handling", "paper feed", "cover page" and "supply levels". "Color matching" appears to be about encoding? None of the above have a grayscale checkbox. Could this be printer specific?– 2centsFeb 15, 2017 at 22:21
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High Siera try Preview > Print dialog > color settings > none. You need to change it every time you print. fyi: I'm able to greyscale print from Acrobat Reader DC to same printer Aug 22, 2021 at 6:30
I have a strong feeling the cause of the variety of locations is due to the printer drivers themselves.
The drivers are provided by the manufacturers, even the ones included with the OS. I don't think they all follow the same human interface guidelines or don't make much of an attempt at uniformity.
For those of you who don't have the "Grayscale printing" option available on Canon printer: You can set this in "Canon IJ Printer Utility" app. You should be able to find it with Spotlight.