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HP 300 Black



HP #300 Cartridge

Refill Instructions
Black cartridge


1. Put the cartridge on some paper towels in an area where you can tolerate a spill.

2. Peel off the top label.

3. Fill the syringe with 10ml of black ink for #60
     or 20ml of black for #60XL

4. Very S-L-O-W-L-Y inject ink into the center hole.

5. When finished leave the top label off and the filling holes exposed (when printing it has to pull in air).

6. Replace the cartridge and run 1 - 3 cleaning cycles as per printer instructions.

For best results, leave cartridge in printer for 8 hours after refilling so the ink can saturate the entire sponge.

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