Method and Apparatus for Cleaning Printing Cylinders

-5. (canceled)

A printing system comprising a cleaning cassette, the cleaning cassette comprising a roll of cleaning fabric, the cleaning fabric being adapted and configured for cleaning printing cylinders of a printing system, said cleaning fabric comprising a liquid absorbable material soaked with a cleaning liquid, wherein said cleaning liquid comprises a polar additive containing at least one of a glycol ether and a long-chain alcohol, wherein said cleaning liquid comprises the polar additive in a range of 50-90 wt %, wherein said polar additive is a compound comprising 10-16 carbon atoms, wherein said polar additive is configured to make the cleaning liquid polar;

• and wherein said cleaning fabric is wrapped around a core to form said roll, the cassette having a support adapted and configured to support the roll of the cleaning fabric, the cassette comprising a collecting roller around which used cleaning fabric is configured to be wrapped;
• wherein the printing system comprises at least one of a printing cylinder, an inking roller, a damping roller, an ink source, and a damping source.