1 PPM print speeds are based on the highest speed printer driver mode. CPM copy speed based on fast mode when copying a letter-sized document. Photo print speed based on maximum print speed using Canon Photo Paper Plus Glossy. Print/copy speed will vary based on system configuration, software, document complexity, print mode and page coverage. 2 The Public Switched Telephone Network currently supports fax modem speeds of 28.8 Kbps or lower, depending on telephone line conditions. Sending and receiving fax machines need to conform to ITU-T V.34 guidelines. 3 USB 2.0 Hi-Speed performance requires Windows® XP Service Pack 1 or Windows 2000 Service Pack 4 with pre-installed USB 2.0 port. 4 Resolution may vary based on printer driver setting. Ink droplets can be placed with a horizontal pitch of 1/4800 inch at minimum. 5 Will vary based on composition of images/documents printed.