Oce CS191 Phase 3 User Manual page 526

Replacing toner cartridges and staples and emptying waste containers
10
Reminder
Do not tilt the removed waste toner box, otherwise waste toner may spill.
Do not throw away used waste toner boxes or filter 1. Instead, keep them
in their boxes to be collected by your service representative.
10-30 CS191 (Phase3)