Pixma Pro 10 not showing custom paper size in drop down menu

[pa57ul]

I recently acquired some 11x14 paper that I wished to use but when entering the drop down paper size menu, the custom size option does not show.  I have uninstalled/re-installed my driver and have entered the print area both through LR and PS.  I am running Windows 10 (64 bit).  I have no other problem printing the menu sizes such as 8.5x11 or A+ (13x19) but wish to use my 11x14 paper.  How do I get the custom paper option to show?

[ArthurJ]

Hi,

If custom does not appear and photo is selected, change it to standard. The custom option should appear. 

If the issue persists, I recommend you reach out to Canon support. Our team will be able to assist you in real time with this matter. You will need to register your Canon gear HERE to access additional support options.

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