There is a copier in the library, as well as a few in some business centers scattered throughout town.

Additionally! If Nami would rummage around other buildings for a map, there is a rather cartoony rendition of a town map hanging in the lobby of the chamber of commerce! This one, while accurate in layout, does feature exaggerated buildings of importance and strange proportions, as well as little cartoon people riding around on scooters. It's definitely more cutesy/fun than functional, but it is a map!