Can You Design Your Way to a “No User Documentation” Approach?
For simple, commonly known actions in a closed environment, you probably can design your way to a “no user documentation” approach. Good design can also lead to less documentation. However, customers may expect to do more than that with a product and, in those situations, documentation can play a key role in meeting those expectations.
Pratt, Ellis. Cherryleaf (2009). Articles>Documentation>Usability>Minimalism