The machine uses a check-specific standard number font, character height: 3.5mm, word width 2 mm, .8-digit total length 22.2MM. Steel material, the number of machines have horizontal and vertical two, with (or without) Reset reverse or forward-carry fashion spring. Applicable to various types of NP series web presses and paper forms printing presses. It can be based on user requirements, it has a long life, into the reset flexible, low rate of wrong number. The machine printed numbers reading direction is vertical or flat shape to the printed paper feed direction. Glyph font height and bits and spacing according to customer request.