Preparing every color bottled inks near the printerCutting the tubes in the middle of the tubes which is from cartridges to printhead,then pressurize one tubing cut which is conneted with the cartridges.Using the rubber tubing to connect another tubing cut,adjusting the length and move it into the corresponding color bottled inkThen install the decoder,but it has marked colors on decoder(as the attached picture shows),so you should pay your attention to it when you decode the cartridges