The transfer of a printed image from the front of one sheet to the back of another.
Toning is the inability to remove fine ink particles that deposit on to the non — image area of the plate.
Ink rollers cannot except or transfer ink.
Gear streaks are always in parallel to the cylinder axis.
Fountain solution does not have the ability to clean the non-image areas of the plate.
Bands of ink that form and look like rail road tracks. They appear on the roller train and may transfer and appear in the print. They may appear in rows across the sheet anywhere from the lead edge to the tail edge.
Inability for plates to clean up quickly at startup and restart of press
The printed ink film is dry, but has excessive rub and scuffing when going through the delivery and finishing processes.
Ink may appear to be drying out in the roller train or press seems to be unable to adequately supply the proper ink water emulsion to the plate.
The shadows and tight reverses start to fill in and become “plugged” with ink during the run.