react-native-thermal-pos-printer/src/constants/commands.ts

React Native thermal printer package for POS systems supporting Xprinter and other popular brands

export const ESCPOSCommands = {
  INIT: [0x1B, 0x40],
  CUT_PAPER: [0x1D, 0x56, 0x00],
  ALIGN_LEFT: [0x1B, 0x61, 0x00],
  ALIGN_CENTER: [0x1B, 0x61, 0x01],
  ALIGN_RIGHT: [0x1B, 0x61, 0x02],
  BOLD_ON: [0x1B, 0x45, 0x01],
  BOLD_OFF: [0x1B, 0x45, 0x00],
  UNDERLINE_ON: [0x1B, 0x2D, 0x01],
  UNDERLINE_OFF: [0x1B, 0x2D, 0x00],
  LINE_FEED: [0x0A],
  FORM_FEED: [0x0C],
} as const;