Feature: 1. Transparent Design: The empty refill ink cartridges feature a clear white shell design that allows you to easily monitoring ink levels and usage. This transparency helps you keep track of your ink supply, ensuring timely refills and uninterrupted printing of excellent documents. 2. Good Compatibility: Designed to work seamlessly with for Stylus Pro 7800 and 9800 printers, our empty refillable ink cartridges ensure good performance and quality printing, which is practical and convenient. 3. Easy Identification: The empty ink cartridge kit includes 8 empty cartridges, each clearly labeled with its corresponding color for easy identification. Additionally, the kit comes with ink refill tools and a decoder, simplifying the cartridge refilling process and making it incredibly user friendly. 4. Excellent PP Material: This reusable empty ink cartridges kit is made of excellent PP material, sturdy and abrasion resistant, not easy to be damaged, long service life, can be used in many situations. 5. Easy To Use: This refillable ink cartridge kit saves you the trouble of buying chips and is very easy to use. These print cartridges are reusable and you don't need to buy cartridges often, thus reducing the waste of resources. Specification: Item Type: Refillable Ink Cartridge Material: PP Model: T5631, T5632, T5633, T5634, T5635, T5636, T5637, T5639 Compatible Printer Models: for Stylus Pro 7800, 9800 . Package List: 8 x Empty Ink Cartridges 4 x Funnels 1 x Ink Cartridge Mover 1 x Ink Cartridge Mover Accessories 1 x Decoder Note: 1. Please do not upgrade the printer firmware online (please turn off the automatic upgrade function of the printer). 2. Please don't worry if the printer can't recognise the cartridge. Our cartridge chip has four programmes, so you just need to remove the cartridge and reinstall it.3. Empty cartridges should only hold 90% ink to prevent ink from spilling and contaminating the printer during use. Be sure to remove the rubber plugs from the ventilation holes when in use. 4. If your printer is new and you have not used the original cartridges, please install the original cartridges and initialise the printer first so that your new printer can recognise and use our cartridges.5. Before purchasing, it's important to confirm compatibility with your printer model and cartridge type to ensure optimal results.