Actual supply life varies according to printer usage, toner settings, paper characteristics, temperature, and humidity. In addition, special applications (such as adhesive labels, extensive graphics, bar codes, landscape applications, and pre-printed forms) may significantly reduce supply life. When the printer runs low on a particular supply, it displays a message on the operator panel. - Ibm Corporation. Sold Individually Cleaning Unit for InfoPrint 60/Pageprinter 3160 Laser and Ink Jet Toner and Replacement Cartridges Compatible with HP LaserJet - Made with 100% new parts