Description
☛ Why choose us? BunToner has patented technology and a professional product research and development team dedicated to researching the printing industry, adhering to the principle of low carbon protection and environmental protection, and for 20 years Manufactures products with high transfer rate and low waste rate. ☛Compatible printers: HP DeskJet 2710 2720 2724 2724 2721 2723 4120e 4122e 4110e 4130e HP Envy 6020 6034 6010 6030 HP Envy Pro 6422 6420 6430 6432 Drucker ☛User instructions: Warm tips: Please do not touch the chips. 1. Check that the ink cartridges are in good condition and that your printer model can use the ink cartridges that you purchased. 2. To make better use of the ink cartridges, you can clean the printhead in the printer once or twice before using the ink cartridges. 3r installing the cartridges in the printer ， when “the cartridge cannot be recognized” or other incorrect messages are displayed. try to reinstall it several times。 Here are some instructions: – Turn off the printer – Clean the cassette chip with a soft cloth – Switch on the printer If the problem still cannot be resolved, please feel free to contact us. Professional customer service If you have any questions about the product, please do not hesitate to contact us. We have professionals who can provide professional technical advice and provide you with satisfactory solutions.
