Thank you for your business. If you have any question about theinstallation, please feel free to call 8634097376Caution:1 The ink reservoirs must keep at the same table with the printer all thetime. Otherwise, whatever higher and lower the ink tank, the cartridgewill be leaking inside the printer or it wouldn’t print anything.2 Follow the instruction, make sure the ink tanks all click into the holder,front and back both side.3 To keep the printer work well, the best way is print at least one fullcolor picture or document every two weeks, it will help ink keep fluency,prevent print head from dry out.Continuous Ink Supply System for CANON PIXMA InstallationInstructionYou can watch this video from YouTubehttp://www.youtube.com/watch?v=1-FXi2GfENwIf you watch the video, when you take the plug off, please take the smaller plug off that is on the topof inktank, which is the air plug. And when you put the air filter on, the thicker side of air filters isdown.Or follow the instruction below:1. Install cartridgesa) Turn on your printer and open the cover. The cartridge holder will move to the cartridge changeposition. Removepower cable from the back of your printer.Remove the cartridges from the printer.b) Using a Stanley knife of sharp blade remove the two plastic lugs which hold the chip in place. The chips are colorspecific so ensure you do not mix them up as they will not work if they are attached to the incorrect CISS cartridge.