Other Models of 4200 Series:
4216, 4216 10, 4216 20, 4216 31, 4216 Personal Pagelaser

You may consider buying IBM 4216 30 Remanufactured Toner Cartridges. Remanufactured cartridges are used cartridges that have worn out parts replaced with new ones. They provide same level of quility as new toner cartridges, but for lower price. Using remanufactured cartridges saves energy and raw materials that would otherwise be consumed by production of new cartridges.