Shake the toner cartridge 5-6 times before using. Remove the orange protective cover cap. Install the new toner into the right position of the drum unit. Clean the primary corona wire inside the drum unit by gently sliding the blue tab. Return the tap to the home position. Reinstall the drum unit assembly into the printer.
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TN-247 TN-243 Compatible Toner for Brother TN247 TN243 for Brother HL-L3230CDW L3210CW DCP-L3550CDW DCP-L3510CDW HL-L3270CDW MFC-L3750CDW MFC-L3770CDW(With Chip) Black Cyan Yellow Magenta-4 pack