Lexmark C544DTN - Color Laser Printer 25/25 Ppm Duplex Networkfront Pic Wireless Setup Manual page 10

Insert the toner cartridge into the imaging kit by
aligning the rollers on the toner cartridge with the
tracks. Push the toner cartridge until it clicks into
place.
Replace the right side cover.
Close the front and top doors.
Setting up the printer
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