HP Color LaserJet Enterprise MFP X677dn User Guide - Page 49
Replace the toner collection unit (TCU), In the U.S. and Canada
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6. Close the front door. NOTE: If necessary, close the access cover and replace the two screws before closing the front door. 7. Pack the used imaging drum into the box that the new imaging drum came in. See the enclosed recycling guide for information about recycling. In the U.S. and Canada, a pre-paid shipping label is included in the box. In other countries/regions, go to www.hp.com/recycle to print a pre-paid shipping label. Adhere the pre-paid shipping label to the box, and return the used imaging drum to HP for recycling. Replace the toner collection unit (TCU) Replace the toner collection unit if you receive a message on the printer, or if you have print quality problems. Replace the toner collection unit (TCU) Follow these steps to replace the toner collection unit (TCU). 38 Chapter 3 Supplies, accessories, and parts
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