HP LaserJet Enterprise 700 Printer M712 series - Manual (Page 65)

Replace the toner cartridge
CAUTION: If toner gets on clothing, wipe it off with a dry cloth and wash the clothes in cold water.
Hot water sets toner into fabric.
NOTE: Information about recycling used toner cartridges is on the toner-cartridge box.
1. Press the cartridge-door-release button.
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2. Open the cartridge door.
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ENWW Toner cartridge 55