Refilling the high capacity HP 304XL black ink cartridge at home is very easy and can offer you great results, with very little equipment. All you need is a syringe, plus some universal black ink. Simply remove the label, widen the fill holes (if necessary) and fill the relevant chambers of the HP 304XL ink cartridge with the amount of ink mentioned below.
When refilling the Hewlett Packard ink cartridge below, we recommend injecting the following amount of black ink into the hole closest to the cartridges’ printhead:
HP 304XL/N9K08AE: 8ml
This guide is intended purely to show where to inject the ink into these cartridges and how much we recommend using. For full refill instructions for these cartridges please click here.
HP 304XL Black Video Refill Guide
Compatibility
If you are looking to refill the ever popular HP 304XL black ink, these cartridges can be used in the HP Deskjet 2620, 2630, 2632, 2633, 2634, 3700, 3720, 3730, 3732, 3733 All-in-One, 3735, HP Envy 5020, 5030 and 5032 All-in-One inkjet printers.
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