Package Included: 1PK HR564 Print head, 5 slot. 1 pcs 100% compatible with the following printers: HPC6324/C6340/C6350/C6375/C6380/C6383/C6388D5460/D5463/D5468/D7560/7510/C311a/ B209a B210a /309a/g/n /C310a/b/c /C510a / C410/ D5445/5520 < Normal Printing Problem Solution: 1. My printer reports "The following print head has a problem" or any error message, how do we process the next step? LKB Answer: Just skip the message, and press "OK" or "Continue" and go on printing. 2. My printer did not recognize the print head, how do we do? LKB Answer: ① please take off print heads, use eraser to clean the chips softly and tissue paper to clean the metal touch pot softly(can't finger touch), and then re-install the print head; Or ②You can use a knife to tear off the remanufactured print head chip, and then use the double-side tape to paste the original chip. 3. My printer hasn't printed for a long time, now the printer report shows that the print head has a problem, how do we do? LKB Answer: Your printer at least needs to print 1~2 pages twice a week. 4. If the ink in the cartridge is dye ink, can I change the dye ink to pigment ink? LKB Answer: No, can't. 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. Note: 1. Our print head is remanufactured, 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 (3 Months Money Back Warranty): Product listing > Click Sold by Lucky Bridge> Choose the option Ask a question Log into Your Account > Click Your Account > Your Order > Find your order and click Contact Seller
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