User Activity

Yesterday I ran a test print on my IP7250, which I had forgotten to use for a few weeks, and found that, while the light and medium magenta stripes looked fine, there were light bands in the dark magenta stripe. I did a deep clean, turned the machine...
When I start up my Pixma iP7250 it makes various noises it shouldn't be making and then the lights flash orange-white-orange-white-orange-white, with the last white flash being prolonged. What does this tell me about why my printer is not working?
I've been trying to print on 4"x6" paper from the upper cassette of my iP7250. In the printer preferences I choose 4"x6" and a message tells me that the upper tray is selected. But if I close the preferences and reopen them, it tells me that it will ...