Samsung ProXpress SL-M3320ND/XAA - Page 55

Available consumables
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3. Maintenance
Samsung does not recommend using non-genuine Samsung toner
cartridge such as refilled or remanufactured toner. Samsung cannot
guarantee non-genuine Samsung toner cartridge's quality. Service or repair
required as a result of using non-genuine Samsung toner cartridges will not
be covered under the machine’s warranty.