Ultimate Creality K1 / K1C / K1SE / K1 Max D3D Linear X Rail Upgrade (no root needed & fully CFS compatible)

hello, i need your help, i bought your manual, i did everything according to it, everything is even, the belts are tensioned equally, i received a non-working printer, before your manual i had problems with echo on models, exclusively with the x-axis, instead of a carbon tube i used aluminum, but this does not mean that everything should be so bad because of this, help me please