Cannot print larger than paper size
Submitted by teo (Account deactivated)
Open an image, go to print -> Image Settings tab.
Here you can change the image size and its position within the page.
However, it won't let you scale the image to anything bigger than the paper size. It should, so that you could be able to print an arbitrary portion of the image.
Now, if you want to print a portion of an image into a page where the whole image doesn't fit, you have to manually crop the image and then print it, which is painful.