From standard photo printing apps (like lightroom) when I choose 4x6 as page size I am restricted to an unbalanced border. If looking at the page in landscape mode the right hand border is way larger then the other 3. Thanks for the help.
T3i works ok in all auto modes and all manual mode when in live view but fails in all manual modes when not in live view. Mirror flips up but doesn't return for 20 seconds or so and no picture is recorded. Used to work well in all situations, ...
Whoops, I found I did have it on as you said. No idea how it happened but I am very grateful for your help and to get my camera operation back to normal. Thanks!