When truing a fingerboard I like to use a neck jig. This aids in the process.
The nut is then removed.
I like to heat frets as I remove them.
Checking the boards radius
Using the neck jig to “zero” out the neck.
I use a long sanding block to true the neck. In these pictures you can see the high spots after a few swipes with the block
Checking the board with a straight edge and cleaning out the fret slots.
Here I am measuring the fret slots for the correct fret tang
