Package Included: 2x Matt Black, 1 x Black, 1 x Cyan, 1 x Magenta, 1 x Yellow (6 PCS of PFI 102 Ink Tank Cartridge , 6x 130ml of dye ink). 100% compatible with the following printers: PFI 102 Ink Tank Cartridge compatible with Canon IPF 700 / 710 / 720 / 760 / 650 / 658 / 750 / 755 / 600 / 610 / 605 / 500 / 510 (100% compatible with original printer) The ink cartridge can’t be recognized by the printer - Solution: 1. Confirm the ink cartridge color, and check whether the ink cartridge for all colors put the correct position and direction or not; 2. Take out the ink cartridge for all colors, and then turn off the printer; 3. Turn on the printer; 4. Install one color (for example: BK color) and check the printer what will say on the screen. If say “Missing other colors”, it means this BK color is OK; 5. Take out BK color, and install another color (only one color each time for testing), if the printer show as same as Step ?, it means this color is OK too; 6. You will get the answer via Step ? and ? that which ink cartridge color is not recognized by printer. 7. Cleaning the chip and probe on the print head, install all cartridges for all colors. If still some ink cartridge can’t be recognized, we will replace it to you ASAP. Warranty Card: We will send a Warranty Card to you with shipment. We stated below on the card: ? Money Back Rule in case any defect; ? Normal Printing Problem Solution. ? Solution for Normal Ink Cartridge Issue Note: 1. Our Ink Cartridge is not original one, Non OEM value-save more for you; 2. When you replace the print head, please do Printer Head Cleaning 2~3 times every time. How to contact with us (2 Years Money Back Warranty): Product listing > Click Sold by Titlebaum> Choose the option Ask a question Log into Your Account > Click Your Account > Your Order