Check materials according to job specificationCheck cylinder, ink, film rollsSet machine according to print productSet the heating temp. of dryerColor proofing, sample approved by customerAdjust registration of pictureAdjust color approved L.S.DMeasure in viscosityCheck print quality to detect mistake and take immediate corrective action.Check regularly viscosity of ink, temperature of dyer cooling roll, exhaust fan to detect and correct any mistake Train neophyte operator