When it comes to disposing of used printer consumables , it is important to follow the manufacturer's instructions or guidelines for proper disposal, as different types of consumables may require different disposal procedures. Some manufacturers provide specific instructions for proper disposal, such as sending the used consumables back to the manufacturer or using special recycling programs. Therefore, the proper way for a technician to dispose of used printer consumables is to proceed with the custom manufacturer's procedure , if provided. This option ensures that the disposal is handled in an environmentally friendly and safe manner.