HP LaserJet Managed MFP E72525, E72530, E72535, HP Color LaserJet Managed MFP E78323, E78325, E78330 - User Guide

Table Of Contents
6. Pack the used toner cartridge into the box that the
new cartridge 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 cartridge 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.
Remove and replace the TCU (E78323, E78325, E78330 models)
Follow these steps to replace the TCU.
1. Open the front door.
40 Chapter 3 Supplies, accessories, and parts