Please click on a chart and switch to Trends button.
Under By Class, By Goals and Overall there is download option. You may download Trends in a preferable format with a chart's name on it. And then print it.
On the screenshot below, you may see that the current chart name is actually not the preferable one. When you print this chart, the name on the printed document will be Banking On Behavior.
In order to change it, please click Back to DRC button and switch to Details page.
The Chart title should be the chart (child) name. In this case, it will be printed correctly.