| Hewlett Packard C6657, #57 & #28 |

1. Put the cartridge on some paper towels in an area where you can tolerate a spill.
2. Peal off the top label.
3. Fill the syringe with 5 ml. of color ink.
4. Very S-L-O-W-L-Y inject ink into each chamber until the sponge full. A little ink might come out of the top when full, so cover up the other two holes while filling one.
5. When finished, replace the top label.
6. Replace the cartridge and run 1 - 3 cleaning cycles as per printer instructions.
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