TA Triumph-Adler DCC 2725 - Manual (Page 336)

Maintenance
9-12
5 Open the new waste toner box cap.
6 Install a new waste toner box.
7 Press on the left edge of the new waste toner box
to lock it.
8 Press the specified position to close the waste
toner tray. When the tray reaches the correct
position, it locks in place with a clicking sound.
9 Close the front cover.
NOTE: Return the exhausted toner container and
waste toner box to your dealer or service
representative. The collected toner container and
waste toner box will be recycled or disposed in
accordance with the relevant regulations.