I'm from Thailand and my English is not quite good. When heidelberg sm102 year 1997 offset printer met color difference between front and tail edge he adjust oscillator roller to white or red umber. Could somebody explain how it Worked?
Read the following information on Lateral ink distribution. Read the final pages of the PDF. The same theory applies to the SM102 press. By changing from White to Red the ink charge will start View attachment SM74E (4).PDF from the gear side moving to the operator side or vice-versa. Check previous posts on this subject.