Filling these refillable cartridges is extremely simple. Simply remove the plug, simply inject the ink, simply replace the plug. That's all there is to it!

The cartridges come with auto-reset chips so your printer will always display accurate ink levels. No chip resetter is required to use this product.

*NOTE* The cartridges are provided empty. In order to use them, you will also need to purchase an InkOwl inkjet refill kit compatible with these cartridges. It is essential that you use an ink specifically formulated to work in HP printers. You can find them using our search engine.

This product contains the following:

• 1 Black Refillable Cartridge to replace HP 88/88XL
• 1 Cyan Refillable Cartridge to replace HP 88/88XL
• 1 Magenta Refillable Cartridge to replace HP 88/88XL
• 1 Yellow Refillable Cartridge to replace HP 88/88XL
• Easy detailed graphic instructions (no drilling required)