The Fandom DayZ Wiki maintains a "Clean" version of the Chernarus+ map. This is excellent for printing because it lacks the neon icons of the app. It looks like a real topographic survey map. Look for the 4096x4096 pixel version.
This guide explores everything you need to know about navigating Chernarus, the benefits of using a printable map, how to read grid coordinates, and where to find the best high-resolution versions to keep next to your keyboard. dayz chernarus map printable