- HP Laserjet Enterprise CP4020/CP4520 Manual

2. Release one tab, and then remove the waste toner duct.
Figure 2-98 Remove the residual-toner duct and feed assembly (2 of 4)
3. Remove one screw.
Figure 2-99 Remove the residual-toner duct and feed assembly (3 of 4)
ENWW Internal assemblies 135