Yes. Since version 0.3.0 Thumbify supports the printing of generated documents directly from your smartphone and tablet. Prerequisite is a network-integrated printer that supports AirPrint or Cups.
- Open a document filed under Done
- Tap Share and choose … More
- Select Print and then the integrated printer
To print your receipts in the correct paper format, check the format in the settings. How to change the paper size is described in the following article.