Precautions: 1.After removing the ink cartridges, wrap them in a plastic wrap and put them in a ziploc bag to prevent them from drying out. 2.The printhead must be totally dry after being soaked, and then it can be installed in the printer. Otherwise it may be short-circuited, causing the printer to malfunction. 3.If it does not work, please re-wash for 2-3 times and extend the soaking time. If it fails, it is recommended to try again after one or two days. Package Content: 1 bottle of cleaning fluid (100ML) 2 pcs of syringes (10ML) 1 user manual. Printhead cleaner is used for 950 951 952 932 933XL ink cartridges only, not for 902XL 564XL ink cartridges. How to use? 1.Pre-heating the cleaning fluid. 2.Remove ink cartridges and the print head. 3.Choose the right type of syringe according to the color of the clogged print head that needs to be cleaned. 4.Leaving the bottom of the print head be soaked for about 8 hours. then Inject the cleaning fluid into the print head that needs cleaning with a syringe. 5.Install the print head into the ink cartridge and load the printer, then run the "nozzle cleaning" function twice in printer driver. PS: Please refer to the manual instructions for more details. Notice: 1.After removing the ink cartridges, you could wrap them in plastic wrap and put them in a ziploc bag to prevent them from drying out. 2.The print head must be completely dry after being soaked, and then it can be installed in the printer. Otherwise it may cause short circuit that will lead to the damage of the print head. 3.Don't skip the longer soak if the shorter ones don't work. If that fails, It is recommend to try again after a day or two. Package: 1× Printhead Cleaning Fluid(100ml) 1× Syringe(10ml) 2x Syringe tube 1× instruction manual Risk Warning: 1. After finishing cleaning with this fluid, you need to use the printer's cleaning program for printhead cleaning, which will consume a lot of ink. So if you only have a little bit ink left, you may need to Add new ink to the cartridge or purchase a new ink cartridge. 2. Since there are several causes for printer blockage. This cleaning fluid does not ensure that all blockages will be solved. Such as: (1) The printhead blockage is very serious or there is insoluble substances in the nozzle, this cleaning fluid might not work. (2) The printhead is aging, the blockage situation might get worse after cleaning. 3. Since you are not a professional, there is a risk of damaging the printer when repair it by yourself, such as: when you inject the fluidinto the printhead, if there is leakage or improper operation, it will cause a short-circuit, which will lead to the circuit board burned, even the printer damaged completely. Although there are the above risks, most customers can clean the printhead successfully under our guidance. If you have any other questions, you can tell us, we will give you professional guidance. Unlike most printer cleaning products Printers Jack cleaner doesn’t contain harmful composition which can damage your printer It's safe and simple to use! No need to wait for a clog to ruin your print job and save your money to buy a new printer. 1 Open the printer case. When the cartridge move to the position of replacement cartridge and remove it. Open the printhead locking lever (shown by the red arrow) and take out the printhead.Heat the water in the glass in the microwave to 130 ℉-140 ℉, and then put the cleaning fluid bottle in the hot water to heat up. 2 Find a container slightly longer than the printhead(like a plastic flat cover). Pour in the cleaning solution. The depth of the cleaning solution in the container is 2 mm. (Note: the solution should not be more than 2 mm. Once cleaning fluid level exceeds 2 mm, the solution may enter the printhead circuit and damage the printhead.Leave the printhead soaked in the container for 8 hours. 3 Inhale 10ML cleaning fluid into the syringe.Insert the syringe into the ink inlet corresponding to the color to be cleaned(Take yellow inking entry for example).Push the handle of the syringe to inject the cleaning liquid into the printhead, then repeatedly push and pull the plunger of the syringe for 4 times. (Use a container to catch the waste cleaning fluid under the nozzle to keep the table clean.) 4 After soaking, wipe away the liquid on the printhead, and make sure the printhead is totally dry. Note: If the liquid on the printhead is not totally dry, it may cause short circuit and damage the printhead.After installing the ink cartridge, select "Maintenance" -> “Print Head Cleaning” in the Printer driver. To start the cleaning cycle, and then print the “Printer Test Page” to check if the printhead is clean.