Posters (or any Large Format Printing) is done at the Media Services branch of Copy Works!.
The maximum width for a poster is 24" and the length does not have a size limit.
There are two standard sizes for posters: 18" x 24" and 24" x 30". Posters this size cost $5 each. The cost for posters over 36" is varied; to get a quote call Jan Zessin at x7797.