This library provides function for you to convert image into Epson TM88 series readable data format.
UIImage *logo = [UIImage imageNamed:@"ticket_logo"];
Image data to TM88 readable binary form
NSMutableData *print_data = [IGThermalSupport imageToThermalData:logo];
line cut
NSMutableData *print_data = [IGThermalSupport cutLine];