Standard dispositions: straight-gear driving system, paper cross. feeding, inching of upper and lower margins of a paper,detecing of double pieces, frequency control of motor speed position setting with a draw ruler,central lubricating, quick printing plate holder,and button(or computer) control board. Prntitng ink control: for the main machine, ink-feeding system consisted of v ink rollers, 14 ink rollers fincluding 3 forme inking rollersl and 5 water rollers (including 2 forme dampening roller): for the double-colour part, 11 inkrollers (including 2 forme inking rollers) and 4 water rollers including l forme dampeming roller); for the recorder.6 ink rollers (including 2 ink-feeding rollers).