Molly is fascinated by the printer. Every day she runs to it to see if it's doing something. She was very happy the day I printed out 100 pages back to back. The printer did jam, however, when she darted a paw inside it. After I took care of the jam, she sat on the chair. I did have to tell her "No" and "Paw out" several times though.
Here is the original of the cat vs. the printer video that went through my department at work within minutes. It was an IT department, too.
Here are a few more fun videos: