high precious manual smt PCB stencil printer for 0402 and 0.4mm chip :
1. Mount the stencil by tightening the clamps on the back of the stencil printer.
2. Align the PCB with the stencil by using the four L shaped blocks supplied.
3. Fine adjustment is achieved by turning the knobs around the base. Z direction adjustment knob is at the back.
4. Apply a thin layer of solder paste. Too much paste will cause short circuits.