Edges of the Image are Cropped During Borderless Printing
Because the image is slightly enlarged, the protruding area is cropped.
Solutions
Select a smaller enlargement setting.
Windows
Click Settings next to the Borderless checkbox on the printer driver's Main tab, and then change the settings.
Mac OS
Change the Expansion setting from the print dialog's Print Settings menu.
Aspect ratio of the image data and the paper size is different.
Solutions
If the aspect ratio of the image data and the paper size is different, the long side of the image is cropped if it extends beyond the long side of the paper.