User Activity

I recently bought a Canon PIXMA TR4720 (after a Canon PIXMA TR4520 broke) & I am having a problem.I can print fine from a computer but if/when I (try to) print from my phone on iPad it cuts off [all 4 of] the edges of the page.Why is this happening &...
How do I fix this? I can't find any way to contact support.
I am trying to scan using a Canon PIXMA TR4520 but all I am getting is a blank page.
Why is it that I am constantly having printing errors (Printer error has occurred. - support code 5100)?  I have performed the troubleshooting steps (Cancel printing, turn off the machine. Then clear the jammed paper or protective material that is pr...