Printer Compatibility:
HP OfficeJet Pro 6830 6230 6812 6835 6815 6820 6220 InkJet Printers
Package Included:
1 x compatible HP 934XL Black
1 x compatible HP 935XL Cyan
1 x compatible HP 935XL Magenta
1 x compatible HP 935XL Yellow

Feature
1. The smart chip has high complete compatibility and show ink level. This will work with the printer without any problem.
2. Strictly follow the international standard in physicochemical property. We are sure that the ink cartridge has no harm to the body and there will be zero damage to your printer.
3. Each ink cartridge will be tested for 3 times before shipment. Using high quality raw materials, the ink cartridge is smudge resistant and dry instantly, which insure the best print you have.
4. Professional package can avoid leaking during transportation.

Tips Before Installation
1. Please remove the "PULL" tapes out before installation.
2. If the printer recognizes no ink, please take the ink cartridge out and install it again.
3. When installing the new cartridges into printer, the computer would promote "Non-Genuine" or "Non-Original", please click "Yes" continuously, then the printer will go on printing.

Aken Promised
Hassle Free: All products are cover by a 100% customer service with 1-year and a half warranty.
Quality Assurance: ISO14001, ISO9001, CE certificate, RoHS certificate, MSDS certificate.

After-sales Service:
If you have any problems (includes VAT Invoice Request), please kindly contact us via logging in your Amazon Buyer Account > Click Your Account > Your Orders > Find your order and click Contact Seller, our customer service team will give you a response ASAP. Or directly contact: [email protected]

• Quality is our culture. The ink is stored in a constant pressure structure with stable outflow and diameter of ink particle tends to 0, which will print more fluently and won't block the printer head. We can ensure Aken ink cartridge is 100% compatible with the printer and also 100% close to the original one.
• Why Aken? - 1) We aim to provide the perfect prints for Home, School, Office and Business printing; 2) Benefit from our smart chip, it is easy to track ink levels in your printer to avoid running out of ink cartridges or annoying alert messages; 3) Help you save lot of money, comparing with the original one.
• Compatible with HP OfficeJet Pro 6830 6230 6812 6835 6815 6820 6220 InkJet Printers.
• Package Included: 1 x Black, 1 x Cyan, 1 x Magenta, 1 x Yellow. High capacity, up to 1500 pages per black cartridge and 820 pages per color cartridge (5% coverage).
• Aken Guarantee -- ISO-9001 and MSDS certificate approved. We believe in our product, so we would give you 1:1 replacement or money back for the defective one with an 18-month warranty.

Quality is our culture. The ink is stored in a constant pressure structure with stable outflow and diameter of ink particle tends to 0, which will print more fluently and won't block the printer head. We can ensure Aken ink cartridge is 100% compatible with the printer and also 100% close to the original one.Aken