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More Refill Instructions


How to use the refill kit for HP 51625A, 51649A, and C1816A.


Each refill kit comes with 3 three-color ink tanks, so you can refill three times with one refill kit. It also comes one set of tools that includes one cap opener and one cartridge holder.



1. Invert the cartridge and press it into the cap opener.
2. Turn the handle clockwise and remove the cartridge cap.
3. Hold the cartridge slantingly in the holder. Remove the 3 caps at the bottom of the refill kit and press the refill kit onto the cartridge. Note: The arrow on the top of the refill kit points the convex side of the cartridge, otherwise it causes mixed ink.
4. Press the cartridge with refill kit into firmly into the cartridge holder. Note: The convex side faces inward.
5. Remove the plug on the top of the refill kit, only for the color that needs to be refilled. Let ink flow into the cartridge.
6. Replace the top plug after finished refilling. For best result, let the cartridge sits on the holder for an hour before printing.


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