Canon imageCLASS MF3110 Basic Manual page 84

Working to preserve endangered species is a long-standing Canon interest.
To this end, for every cartridge collected, Canon Canada donates $1, shared
equally between World Wildlife Fund Canada and the Nature Conservancy of
Canada. This donation is utilized in Canada.
For further information about The Clean Earth Campaign in Canada, please call or
write to Canon.
1-800-667-2666
Canon Canada Inc.
Corporate Customer Relations
6390 Dixie Road
Mississauga, ON L5T 1P7
8
8-12 When to Replace the Cartridge