Some cartridges are not being recognized?
If you see cartridges 2, 4, 6 8 or 1, 3, 5, 7 are not being registered, please try and make sure teh followings: 1) Make sure you did install the right chip to the right cartridge and to the right slot in 3800 printer. 2) You can clean the chips that have not been recognized. Wipe the chip clean with a soft cloth or paper tower and a little bit water. Make sure that the chip is completely dry before putting cartridges back. 3) Re-tape off the 4th pins. 3) You may also want to clean the control chips and use tape to fix the chip’s top and bottom parts just in case if they are not well attached to the i-Refill cartridge.