. But if you find smudges on the back of the paper, the inside of the printer may be dirty. This is how you can easily clean the inside of your Pixma.">
When the inside of your Pixma printer gets dirty, it can smudge the paper. Here's an easy way to get the inside of the Pixma printer cleaned out. First, fold a blank letter-sized piece of paper in half, and then unfold it again.