My laser is off-centered. How to re-adjust the origin?

Turn machine on, when <<- GRAVOGRAPH ->> is seen on the machines LCD press the “X” button, press the down arrow to RE-ALIGN MACHINE, press the ✓ (Tick) it should show RE-ALIGN X-Y, press the ✓ (Tick), using the arrow key move the laser to the absolute 0’0 position and press and hold ✓ (Tick) to save the new position.