Canon i450, i455, i470D, i475D, i550, i560, i6100, i6500, i850, i860, i865, i900D, i905D, i950, i960, i965, i9100, i9950; Canon S300, S330, S500, S520, S530D, S600, S630, S750, S820, S830D, S900, S6300, S9000; Canon PIXMA iP2000, iP3000, ... U printers with more than one indicator - indication switches (power indicator / preparedness - green indicator error - yellow) -- after the buttons are released, power indicator / preparedness will be for some time to blink green ...