Fun video to watch, but your pesky old wide format printer will never look the same again after seeing this:
Velocity US - YouTube
Oce Velocity is a prototype printer with Memjet technology, an inkjet printhead that covers the entire 42" paper width, so no moving head. Print speed is 12" per second at 800x1600 dpi.
Here is another fun clip:
Memjet WideFormat - YouTube