Streaks appear about halfway around the cylinder in a printed image.
Blanket is overpacked, causing a bump when striking the plate that jars form rollers. This creates a bounce and skid, producing a streak. Correct blanket packing.
Streaks appear across the sheet one revolution back from the top of the plate.
Ink form rollers are set too heavily to the plate. Set rollers to pressures speciﬁed by the press manufacturer.