Foreign Characters work locally, but not on EC2 server

Several of our scrapes pull from sites with international characters, and when we build them, they work just fine in the workbench, and on the server interface locally. The problem is that when we upload them to our EC2 servers, they just come back with question marks instead of the foreign characters. I've tried numerous settings and variations on the server's screen-scraper instance, including DefaultCharSet, DefaultFont, etc, but to no avail. I don't think it's any special setting locally either; I'm pretty sure that if I installed screen-scraper fresh, imported the scrape and ran it locally, it would work fine.

I'm going to send an email with a sample version of one of the scrapes we're having issues with. Thanks ahead of time.