POS Technical Documents
My printer has the annunciator option. How do I make the buzzer work?
If a cash drawer is NOT connected to the printer: ESC p 0 100 250.If a cash drawer is connected to the printer: ESC p 1 100 250.
Change the third byte value (100) to any number between 1 and 255 to either increase or decrease the length of time the annunciator operates.