1. Print the BOM list in wps
1. Frame the area to be printed—page layout—print area—set print area
2. wps form—print—print preview (if it is not displayed completely, you can set and adjust the margins)—print
2. Print PCB welding diagram
1.file—page setup—color set—mono黑白
advanced-select/delete the layer to be printed
Front toppast topoverlay keepoutlayer
On the back bootompast bootomoverlay keepoutlayer check mirror
2.file—print preview----print