arduino sketch to use my image on the thermal printer

my_thermal.ino

#include "SoftwareSerial.h"
#include "Thermal.h"
#include "computerdiagram.cpp"

int printer_RX_Pin = 2;  // this is the green wire
int printer_TX_Pin = 3;  // this is the yellow wire

Thermal printer(printer_RX_Pin, printer_TX_Pin);

void setup(){
  Serial.begin(9600);

  printer.begin();
    delay(1000);
  printer.printBitmap(257, 384, computerdiagram);
  printer.print("ITP Thesis Archive!");
   delay(1000);
  printer.sleep(); //Tell printer to sleep. MUST call wake before printing again, even if reset
  printer.wake(); //Wake printer.
  
  printer.setDefault(); //set printer to defaults. ****WILL FEED SEVERAL LINES WHEN CALLED***
}

void loop(){
  
  
}