I have a Mac Pro desk top computer, I'm trying make custom print sizes on a Pixma Pro 100, but I'm only able to print 5x7 or 8x10 prints nothing larger. Please help. Thanks
Please make sure you have the IJ Series version of the printer installed.
This is using Lightroom: 1. select paper size; then select Manage Custom Sizes
Select the "+" icon and add your custom size.
Thank you, I'll give it a shot.
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