【Packag Contents】2 x Black 934XL, 1 x Cyan 935XL, 1 x Magenta 935XL, 1 x Yellow935XL (Total 5 Pack) 【Compatible Printers】HP OfficeJet Pro 6230 6830 6835 6836, OfficeJet 6220 6800 6812 6815 6820 6822 6825 Printers 【Extra High Yield】1300 pages per 934XL Black, 1000 pages per 935XL Cyan, 1000 pages per 935XL Magenta, 1000 pages per 935XL Yellow, at 5% coverage of A4 paper 【Advantages】 ①Multiple Certifications, ②Premium Print Quality, ③Cost Effective, ④Newest Chip, ⑤Secure Packed, ⑥Show Ink Level 【Your Printing Helper】Easy to install, providing clear text and graphics. It's your good assistant for printing 【Product Quality Control】Certified by ISO9001and MSDS. Strictly tested with industry quality control processes for compatibility, performance, print quality and page yield. All compatible printers instantly recognize the ink cartridges and work flawlessly 【Environmental Guardian】Double D 934 935XL ink cartridges combo pack use non-polluting and harmless materials. Contribute to environmental protection, make our environment clean and air fresh

Enjoy the Vivid Colorful Life with DOUBLE DCompatible Ink Cartridge Replacement for HP 934 and 935 ink cartridges (NON-OEM)

♣Compatible Printers:

• HP OfficeJet Pro Series:

HP OfficeJet Pro 6230 Printer

HP OfficeJet Pro 6830 Printer

HP OfficeJet Pro 6835 Printer

HP OfficeJet Pro 6836Printer

• HP OfficeJet Series:

HP OfficeJet 6220 Printer

HP OfficeJet 6800 Printer

HP OfficeJet 6812 Printer

HP OfficeJet 6815 Printer

HP OfficeJet 6820 Printer

HP OfficeJet 6822 Printer

HP OfficeJet 6825 Printer

♣Package Included: (5 Pack)

2x 934XL Black

1 x 935XL Cyan

1 x 935XL Magenta

1 x 935XL Yellow

♣High Capacity:

1,300 pages per Black cartridge,1,000 pages per Color cartridge (@ 5% coverage A4/Letter).

♣First-class Chips:

Each 934 and 935 ink cartridge was installed the first-class professional chip, which guarantee 100% compatibility with the printer.

♣Warm Tips:

1. Please click "Yes" or "Continue", if you receive a message like "You have not installed genuine cartridges". Then the printer will go on to print.

2. After new cartridges installed, if blending color happens, just clean the printer head and nozzle one time, and then it will work fine.

3. If the inks do not recognize your print at the first time, please turn off the printer 30 second. And then turn it on and re-install the cartridges again.