The Print button on the main toolbar is context sensitive - depending on wether you're in a code window or in an object editor, it will fire different actions. The SQL Editor also has it's own Print button. The print functionality can also be used via Edit > Print.
"Edit" tool bar, including the "Print" button
The Print button also has a drop down menu, offering the standard option, or the Print Objects option.
The SQL Editor includes a Print button to print the current query result set.
The Data tab on the Table Editor and View Editor also has a Print button to print the current data set.
For more info on printing, see:
Report Designer
Besides printing data or using the built in reports for meta data, you can also create your custom reports.