1Good Printing Effect: Color print head, which can replace original print head to print color pictures, photos and documents. 2Strict Quality Control: Each print head will be strictly tested, and the effect of the print head will be tested with printing test paper. 3Easily Use: This product is a perfect replacement for the old color print head, very convenient to use,and the structure is compact, small and light. 4Safe Packaging: Equipped with a protective cover to prevent damage to the internal structure and effectively protect the print head. 5Wide Compatibility: Compatible with for iX6840, for iX6850 Series,for Pixma MX720, for MX721, for MX722, for MX725, for Pixma MX920, for MX922, for MX924, for MX925. Item Type: Printer Print HeadMaterial: ABSModel: Qy6-0086Function: For Printer Color PrintingCompatible Models: For iX6840, for iX6850 Series,for Pixma MX720, for MX721, for MX722, for MX725, for Pixma MX920, for MX922, for MX924, for MX925, for MX926, for MX927 1 x Printer Print Head The print head needs to be wiped dry before use.B200 fault code solution: B200 error problem is caused by the ink truck is stuck or the ink truck is not reset in time.The solution1. Remove the ink cartridge and reinstall it, then restart the computer and printer.2. If this fault often occurs, the ink supply line should be checked, and lubricating oil can also be added to the slide bar of the car.3. Manually reset the ink car open the boot cover push the ink cartridge to the right Shut down the cover Turn off the power turn on the power Boot cover Observe whether the ink cartridge slides to the right automatically. When the ink cartridge slides, use your hand to push the ink to the right edge again. The operation is complete.