There are two laundry rooms in Forbes. Use of the machines is free to all residents, just supply your own detergent. There is even a service you can use to find out when the washers/dryers are available.
The laundry service at Princeton is managed by Mac-Gray Corporation. They handle all service and repair needs on the Princeton campus and are the leading provider of laundry services to colleges and universities in the US.
The best way to report a problem:
If you are unable to log on:
2. Call: 1-800-MAC-GRAY (622-4729)