The Print button is enabled under the following conditions:
- The payment event must have at least one payment that is Frozen and no payments that are Incomplete, Error or Freezable.
- A processing script is configured in the Point Of Sale (POS) Printer
Integration master configuration. - 
For the Payment Event page, a POS Printing - Payment Event BPA script should be configured. 
- 
For the Payment Event Quick Add page, a POS Printing - Payment Event Quick Add BPA script should be configured. 
- 
For the Payment Quick Add page, a POS Printing - Payment Quick Add BPA script should be configured. 
 
- 
Refer to How To Print Receipts And Endorsements for more information.
