11-04-2020 08:22 PM
The option in the system print dialog is set to "two-side: Off" and greyed out, see below, but printer still print everything as double sided.
Installed latst drivers from here
which dind't help
OS: MacOS 10.15.7
11-05-2020 03:18 PM
This solution still works perfectly fine
https://community.usa.canon.com/t5/Office-Printers/How-do-I-stop-double-sided-or-2-sided-printing-on... (first post on the page)
03/26/2024: New firmware updates are available.
EOS 1DX Mark III - Version 1.9.0
12/05/2023: New firmware updates are available.
EOS R6 Mark II - Version 1.3.0
07/31/2023: New firmware updates are available.
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