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New Contributor
Posts: 1
Registered: ‎12-23-2017

Printing on 5x7 sheets with Pixma Pro 100



I have a Mac and am trying to print on sheets of 5x7 photo paper. I'm unsure of where to place the paper because it keeps giving me an error that it cannot find the paper when I put it in the rear tray.


Thank you,


Esteemed Contributor
Posts: 4,865
Registered: ‎11-13-2012

Re: Printing on 5x7 sheets with Pixma Pro 100

You need to uncheck "Detect Paper Width" in the printer driver.


Go into the IJ Printer Utility, select Custom Settings and uncheck Detect Paper Width.


Re-select when finished.


By the way, the Canon On-Screen Printer Manual is a very useful tool - searchable by keyword.

John Hoffman
Conway, NH

1D X, Rebel T5i, Many lenses, Pixma PRO-100, MX472
Product Expert
Posts: 2,722
Registered: ‎10-16-2012

Re: Printing on 5x7 sheets with Pixma Pro 100



It may be possible that you are loading the paper in the Manual Feed Tray rather than the Rear Tray.


Visit the following link to make sure that the paper is being loaded correctly:


PRO-100 Online Manual: Loading Paper


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