• Operate your printer to enter "cartridge replacement" mode. • Unplug the printer power cord from the outlet. • Remove all cartridges • Attach the rubber tube (package comes with 3mm and 4mm size tubes, please use appropriate tube for your printer) or refill needles (also included in the package) to the infuser • For each ink color, repeat the following steps: Use the infuser to remove 2ml of cleaning solution. Slowly press the piston of the injector to fill the cleaning fluid. • Wait a few minutes for the dry ink on the printhead to melt. • Remove absorbent paperBe careful that the ink may drip off when you remove it. • Restores all cartridges • Plug the power cord into the outlet, turn on the printer and wait for it to work • Run head cleaning using printer utility. Example: For Windows 7, 1. Start button, 2. Device and printer, 3. Click printer icon, 4. Click print setting, 5. Select Utility, 6. Click the Head Cleaning button. • Print nozzle check pattern using printer utility to see results (You can print by pressing the [Nozzle Check] button on the screen of the 6 above.)