Samsung SL-M2020W-XAA - Manual (Page 15)

Safety information
15 1. Introduction
Using recycled supplies, such as toner, can cause damage to the
machine.
In case of damage due to the use of recycled supplies, a service
fee will be charged.
For supplies that contain toner dust (toner cartridge, waste toner
bottle, imaging unit, etc.) follow the instructions below.
• When disposing of the supplies, follow the instructions for
disposal. Refer to the reseller for disposal instructions.
• Do not wash the supplies.
• For a waste toner bottle, do not reuse it after emptying the
bottle.
If you do not follow the instructions above, it may cause machine
malfunction and environmental pollution. The warranty does not
cover damages caused by a user's carelessness.