TA Triumph-Adler CLP 4721 - Manual (Page 155)

Maintenance
5-6
Replacing the Waste Toner Box
Replace the waste toner box when the Check waste toner box
message is displayed. A new waste toner box is included with the toner
kit. The waste toner box needs to be replaced before the printer will
operate.
1
Open the waste toner box cover.
2
Press the lock button and gently remove the waste toner box.
3
Close the cap to the old waste toner box after removing the box from
the printer.
4
To prevent toner from spilling, put the old waste toner box in the
plastic bag (contained in the toner kit) and discard it later according
to the local code or regulations for waste disposal.
5
Open the cap of the new waste toner box.
Waste Toner Box
Cover
Lock Button
Note Remove the waste toner box as gently as possible so
as not to scatter the toner inside. Do not let the opening of the
waste toner box face downward.
Old Waste
Toner Box
Cap
Plastic Bag
New Waste
Toner Box
Cap