OEM (Original Equipment Manufacturer) cartridges for XC840 are supplies produced by the same manufacturer that makes given piece of equipment. Toner cartridges produces by Xerox are called OEM.
Remanufactured XC840 Cartridges
Remanufactured toners for Xerox XC840 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 XC840 Toner Cartridges
Compatible Xerox toner cartridges for XC840 are originally manufactured by one brand for its equipment, but can be used together with XC840. This is possible because the manufacturers use the same engine for their devices.
