The phrase 'print out' implies the use of a printer connected to a computer or another device. To complete the assignment, you'll need to print out the graphs from your laptop.
Pro Tip 2/3
Result Action
Using 'print out' suggests an action that results in physical paper output from digital information. After editing the file, don't forget to print out the revised version.
Pro Tip 3/3
Task Specific
The term often appears in instructions when a hard copy is specifically required. The visa application instructions say to print out the confirmation page.