If you have an USB printer and you are not certain if it is compatible with Android, follow the steps below to find out and get your printer connected !
1. In FoodZaps, Navigate to Setting -> Receipt/Report Printer
2. under connection, enter: usb:vendor id:product id
3. to get vendor id and product id for your printer:
- On your controller, navigate to PlayStore, Search for "USB Device Info"
- Download and install the app "USB Device info"
- Upon successful installation, plugin your printer to the controller(tablet/mobile)
- Open app "USB Device Info" , you should be able to see your connected printer under the Device List (if printer is not shown, check the connection cable, or the printer is not supported by Android)
- Tap on the device name to view vendor ID and Product ID
4. enter under Dots/Char per line :504