Features: brand new high quality Made of high quality material, durable This is a cleaned, thoroughly tested and sealed 564 ink printhead. If the print head cannot print the color. Please take the print head out of the printer and dab the mouth of the print head with a white tissue. If color printing appears on the paper towel, it is not a problem with the print head and you need to continue troubleshooting. The print head has been cleaned and tested, it may contain protective fluid and moisture, but it will not affect the use Product parameters: Size: 85x75mm Specifications: 5 slots Model: 564 nozzle Compatible models: Compatible part numbers: CN642A/CB326-30001/CB326-30002 564 print heads For PhotoSmart 7510 7515 7520 For PhotoSmart C309A C309G C309N C310A C410A C510A C310a C311a For PhotoSmart B8550 C6340 C6350 C6380 D5445 D5460 D7560 For H P Photosmart B209A Package Included: 1 * 564 print heads Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. Features: brand new high quality Made of high quality material, durable This is a cleaned, thoroughly tested and sealed 564 ink printhead. If the print head cannot print the color. Please take the print head out of the printer and dab the mouth of the print head with a white tissue. If color printing appears on the paper towel, it is not a problem with the print head and you need to continue troubleshooting. The print head has been cleaned and tested, it may contain protective fluid and moisture, but it will not affect the use Product parameters: Size: 85x75mm Specifications: 5 slots Model: 564 nozzle Compatible models: Compatible part numbers: CN642A/CB326-30001/CB326-30002 564 print heads For PhotoSmart 7510 7515 7520 For PhotoSmart C309A C309G C309N C310A C410A C510A C310a C311a For PhotoSmart B8550 C6340 C6350 C6380 D5445 D5460 D7560 For H P Photosmart B209A Package Included: 1 564 print heads Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.