hotcolor 2 pack 940 black/yellow & cyan/magenta printhead c4900a c4901a for officejet pro 8000, 8500, 8500a, 8500a plus, 8500a

hotcolor 2 pack 940 black/yellow & cyan/magenta printhead c4900a c4901a for officejet pro 8000, 8500, 8500a, 8500a plus, 8500a premium printer1.
What You Get: 2 Pack 940 Printhead HOTCOLOR Remanufactured for HP 940 940 Black/Yellow Printhead C4900A - 1 Pack 940 Magenta/Cyan Printhead C4901A - 1 Pack HOTCOLOR worry-free 120 days warranty and world-class, friendly customer support. If you have any other concerns or need immediate assistance, feel free to contact us via email. ( Within 120 days after delivery, your order can be replaced or refunded, if any issues are encountered. ) 2. 940 Printer head
Compatible Printers: HP Officejet Pro 8000, 8500, 8500A, 8500A
Plus printerQ: What is expiration date on these printheads?
A: ONE-YEAR.
Q: Is this printer head a genuine HP OEM?
A: NO. It is Remanufactured Printhead by HOTCOLOR, not made by HP.
Q: How often should print heads be replaced?
A: It depends on the photos/papers you print and how often you print. Generally printheads should serve you 1.5 - 2 years before giving any problems like print quality issues. You shouldn't need to replace them until you see a message on the printer instructing you to do so.
NOTICE: 1. Please confirmPRINTER MODEL andPrinthead Quantity and MODEL before placing order.
2. If the printer can't recognize printheads, please take off printheads, use eraser to clean the chips softly, install back and restart printer. (Don't use finger to touch chips)
3. If prints come with fading color, steak or broken lines, please try to doPrinter Head Cleaningone or two times.
4. When you replace ink cartridges, please do Printer Head Cleaning everytime.