OEM (Original Equipment Manufacturer) cartridges are supplies produced by the same manufacturer that makes given piece of equipment. Cartridges produces by Xerox and for 8812 are called OEM supplies.
Remanufactured Supplies for 8812
Remanufactured cartridge are actually used cartridges which have worn part replaced with new ones. This allows a cartridge to be used almost endlessly, thereby conserving our natural resources. Remanufactured cartridges provide the same level of quality as new ones for lower price.
Compatible Supplies for 8812
Compatible cartridges are originally manufactured by one brand for its equipment, but can be used together with 8812. This is possible because the manufacturers use the same engine for their devices.