JahyShow Remanufactured Print head Replacement for HP 920 CD868-300001 HP OfficeJet 6000 OfficeJet 6500A OfficeJet 7000 OfficeJet OfficeJet 7500A B210a printer All in one 4-slot Black For HP 920 OfficeJet 6000 printhead Refurbished.for OfficeJet 6500A+ printhead Refurbished Please confirm the fault part of your printer before you decide to replace a printhead. For example: *If you get Error 5100,you need to: a. Clear debris from carriage head to eliminate canon error 5100. b. Make sure you set the ink cartridges properly. c. Lubricate the purge cap. d. Clean the Timing film. It is not the fault of printhead.* If the printhead cant print colors.Please take out the printhead from your printer,and use a white tissues to touch the mouth of the printhead.If the color print on the tissues,it means not the fault of printhead,and you need to continue to troubleshoot. Please contact us, if you get error B200. Make sure you purchase the right model of printhead. 3-7 days delivered from TX,US (1 day handling time during business days)