Printing the badges not only can be done using a badge printer. You can print the badges in PDF format using your own printer. Here is a guide to help you print your badge in PDF format.
Log in to https://onsiteapp.eventnook.com/
Go to My Events ›› Manage Event ›› Check-in
Click Go on Main Event Check-in
Click View on the participant's data that you want to print.
Click the Print button to download the pdf.
Choose your printer and click Print. You can also save the badge in PDF format by changing the Destination to Save in PDF and clicking Save.