How to Refill HP Z6100
1. When the printer is ready, find the “Ink” menu; press OK to operate “Replace the cartridge”.
2. Remove the cartridge. Prepare the refilling tools (one syringe and two blunt needles)
3. Plug one needle into the air hole and the other into the syringe. Refill the ink into the outlet which is nearer from the chip.
4. After refilling, install the cartridge.