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3. Remove the exhausted cartridge along the guides.
4. Open the package of a new laser toner cartridge, hold the handle of the cartridge and gently
shake around 5 to 6 times, so as to make the toner evenly distributed inside the cartridge.
5. Remove the cartridge protector (blister cover), insert the cartridge along the guides into the
printer, then push it firmly along the direction of the arrow until you hear a "click" assuring you that
the cartridge is fully inserted.