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Feature

Package: 1xBlack/Yellow,1xCyan/Magenta (2PCS, BY / MC). The print heads is packed with PVC plastic box. This professional packing method can fix the print heads well during multiple transportation to avoid damage or ink leak. The inner box with LKB Company Logo, very beautiful and individual box. Around 9~10g dye ink in the print head
Quality Warranty: the latest update new chip, chip is never used, which can be recognized by printer very well. So the quality is higher than recycled print heads. 2 times testing: 100% function testing after finish production; 100% function testing before shipping. You will be 100% satisfied with our products. Just buy it with confidence today.
Technology Support: We have factory in China. Our technology team leader has been worked printing consumable area around 20 years. If you meet any operation or installation problem, just contact us. We can support and help you very strongly.
3 month Money Back: Warranty Card: We will send Warranty Card with shipment. Our defect rate is very low due to 2 times testing before shipping. However, If any defect, we make sure below warranty within 3 month very honestly: 1) Send good and new one to you as replacement, it is free; 2) Refund the payment to you fully.
If you have any problems, please kindly contact us via logging in your Amazon Buyer Account > Click Your Account > Your Orders > Find your order and click Contact Seller, our customer service team will give you a response ASAP.

Description

Package Included:
1xBlack/Yellow, 1xCyan/Magenta (2PCS, BK / MC), C9381A / C9382A, 2 pcs

100% compatible with the following printers:
. HP Officejet Pro: K5400 / L7550 Printer
. HP Officejet Pro: L7580 / L7590Printer
. HP Officejet Pro: L7650 / L7680 / L7750 / L7780 / L7790 Printer

Installation Steps:
Step 1: Please remove the cover and the protective film of the print head before installation.
Step 2: Open the printer cap and ink cartridge;
Step 3: Press the screen button "Change the print head";
Step 4: The printer clip move to stay left automatically;
Step 5: Open the print head clip, take out the defect print head;
Step 6: Set up the new remanufactured print head;
Step 7: Lid the print head cap;
Step 8: After lid the print head cap, it will take around 20 minutes to ready for printing process.

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. Please shake the print head before installation, it will avoid bubble problem in the ink. Kindly note the bubble in the ink will cause your printer can't print well.
3. When you replace the print head, please do Printer Head Cleaning 2~3 times every time.

After-sales Service / How to contact us(3 Months Money Back Warranty):
Product listing > Click Sold by Titlebaum> Choose the option Ask a question
Log into Your Account > Click Your Account > Your Order > Find your order and click Contact Seller