HP Officejet 6600 e-All-in-One Printer - H711a H711g - Manual (Page 155)

Battery Notice for Brazil
Disposal of Waste Electronic Equipment in Brazil
Attention California users
The battery supplied with this product may contain perchlorate material. Special handling may
apply. For more information, go to the following web site:
www.dtsc.ca.gov/hazardouswaste/perchlorate
Environmental product stewardship program 151