5.Insert the bottom of the new unit into the

product first and then push the top of the unit until it clicks into place.

6. Close the front door.

NOTE: If the toner collection unit is not installed correctly, the front door does not close completely.

To recycle the used toner collection unit, follow the instructions included with the new toner collection unit.

106 Chapter 7 Print cartridges, toner collection unit, and other supplies

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HP M551DN manual Enww