how do I turn on duplex printing on my canon MF216n

[freddy]

I have look around the printing preferences but the duplex printing is not  longer there I have windows 10 

[James_C]

Hi freddy,

2-sided printing may not be available with some sizes and types of paper.  Please click HERE for additional information on how to setup 2-sided printing.

If you continue to have difficulties, please contact our support group using the following link:

http://Canon.us/ContactLI