into printing condition and to remove image repeats on the form from previous printing cycles a representative inking system for a sheet fed press in accordance with the invention has a series of rollers typically on the order of ten and includes an ink fountain i e a pan that contains the ink supply a ductor or ductor roller i e a transfer roller that alternately contacts the ink fountain roller and the first roller of the ink train form rollers i e the last rollers of the ink train usually having different diameters that apply the ink to lithographic surface 105 s and in some embodiments an oscillator or vibrator i e one or more gear or chain driven rollers that not only rotate but oscillate from side to side in addition inking system 110 may include intermediate rollers i e friction or gravity driven rollers between the ductor and form roller s that transfer and condition the ink these are often referred to as u201c distributors u201d if they contact two other rollers or u201c riders u201d if they contact a single roller such as an oscillator this u201c roller train u201d typically includes both hard and soft rollers a relatively long roller train is necessary in connection.