Copy: 2 or 3 copies, and in special cases, 4 copies can be made. There is also a4 perforated type for laser.
Binding: It can be made in stitched and perforated, path top adhesive and direct cut types.
Paper: 80-90 1st pulp is used for NCR self-copied or Laser.
Colour: Generally 1 or 4 colours are used for the top copy and 1 colour is used for the bottom copies.