Generally, the printer will mark the tanks as "Empty" so they cannot be reused. Filling it with liquid that is NOT ink is a bad idea.Write in the correct information that should have been reported on the original return. They want to force me to their site to buy an expensive color cartridge even though I never print other than black and white and my black ink cartridge is full. What happens if you try to print something in color when there is no color ink but only black ink left? Many newer printers require color ink to also print black documents, and if there is no color ink they will not print black. Try this: Go to Print and a window should pop up. Live Scan Fingerprinting is available only in California. Turn off your printer, unplug from the power source and disconnect USB cables as well. Please read all instructions first and type or print in black ink to complete this form.