The edge at the larger gap, there is an obvious black without glue edge is very tight, open glue appears obvious there is a black line between the edge and the board, as the pressure too tight, not tight, like a black hair with the same letter, not tight
You are up and down the two sides have, or on the one side, the two sides are available, you have to adjust the pressure wheel before and after the number of positions, or else the right angle of the nose is wrong
Did you seal the white board? You adjust the glue head.
This is not the problem of Yitong edge machine brand, but the models of the problem. All models without pre milling cutters have this problem.