The application allows to print any pdf or text file on the selected printer from an external application;
send or share the file to print from you application to start printing.

Start selecting and pairing the printer, and query printer's information from the application's main menu.

Supported printers: PR2/PR3, RP2,RP4, RL3/RL4, PC43 and PM43.

Printer's configuration:

PR2 & PR3:
Set printer command language to ESC/P.

RP2,RP4 & RL3/RL4:
Set printer input mode to Auto.

PC43 & PM43: Printer's command language should be set to Autosense.
Make sure Settings>Languages>DPL>Host configuration>Ignore SOH data is set to OFF