How to light up the printer LCD screen

How to light up the printer LCD screen

How to light up the printer LCD screen
Light up the printer scress by  button ALT + UP 👆 /Down 👇


No matter you buy a new original Markem Imaje  printer LCD screen or the second hand,original . At the time you install on the Markem Imaje printer .You may find it is color blank/grey.Don't worry.It's no broken.

What you need to do now is pressure two buttons 

one button is ALT ,the other is UP or DOWN  as below picture .
At this time the Markem Imaje printer LCD screen is light up again .