cnc from printer

Hi, I'm new in cnc. My idea is to build cnc machine cheep and easy.
I got:
2013-05-02 21.56.36.jpg
old printer
new computer with USB
and a problem how to connect them?

here is inside
2013-05-02 22.08.02.jpg
there I put a writing tool
2013-05-02 22.08.45.jpg
is Arduino Uno good to conect computer to engines it got USB?

Attached Images

• 2013-05-02 21.56.36.jpg‎ (56.3 KB)
• 2013-05-02 22.08.02.jpg‎ (57.8 KB)
• 2013-05-02 22.08.45.jpg‎ (53.6 KB)