Cleaning liquid for pick up roller

During cartridge refilling to laser printers it is necessary to precisely clean parts of the cartridge from the old toner reminders. Sometimes cotton cloth or hoover with rubber end don´t clean precisely the surface from contaminations. Many contaminations are also on the pick up roller surface. Specialistic cleaning liquid allows to remover presisely all contaminations from the roller surface. It evaporates fast, doesn´t leave trails and has perfect cleaning characteristics.