Originally Posted by tilia
You can still do this with the K4(non-touch), but NOT with the Kindle Touch. The file you need to change isn't accessable anymore. So no changing of margins or loading custom font without jailbreaking.
This is also why you can't use the kindle collections plugin in calibre with the Touch.
That's another in my list of pros for the non-touch, then, lol.
Is the file just in the same place as the K3, can you remember?