https://community.usa.canon.com/t5/Professional-Photo-Printers/Printing-on-cd-tray-in-Pixma-Pro100/m-p/275451#M7404 Ah you have to select media type “printable disc” first. Tue, 11 Jun 2019 07:10:40 GMT davetong 2019-06-11T07:10:40Z https://community.usa.canon.com/t5/Professional-Photo-Printers/Printing-on-cd-tray-in-Pixma-Pro100/m-p/275450#M7403 I’m trying to print from my image garden to a CD in the Pro-100<BR />I select paper size CD Tray K but in the source pull down “Disc Tray” is greyed out and I can’t figure how to enable it. Any ideas? I’ve tried inserting the tray and pressing the Resume button. Tue, 11 Jun 2019 06:13:01 GMT https://community.usa.canon.com/t5/Professional-Photo-Printers/Printing-on-cd-tray-in-Pixma-Pro100/m-p/275450#M7403 davetong 2019-06-11T06:13:01Z https://community.usa.canon.com/t5/Professional-Photo-Printers/Printing-on-cd-tray-in-Pixma-Pro100/m-p/275451#M7404 Ah you have to select media type “printable disc” first. Tue, 11 Jun 2019 07:10:40 GMT https://community.usa.canon.com/t5/Professional-Photo-Printers/Printing-on-cd-tray-in-Pixma-Pro100/m-p/275451#M7404 davetong 2019-06-11T07:10:40Z