HP Office jet Pro 7740 replaced ink cartridge error
Channel: Khan Kheng how to
Date: 2022-09-12

HP Office jet Pro 7740 replaced ink cartridge error,This printer HP Office jet Pro 7740 replaced ink cartridge error cannot print checking, Checking the Estimated Cartridge Levels it show error two ink cartridge Cyan and Yellow (Magenta and Cyan are new ink replaced) but working only magenta,press on the Yellow ink what is error, it show error Incompatible Cartridge( Yellow ink is old cartridge and before show error incompatible it alert Ink very low, so this ink mean ink water run out, Need to replace new.Checking the magenta error meaning, press on ink see the Cartridge Problem, It mean the new ink Cyan bad or connection or print head system error,Open the front cover and remove the new ink Cyan and test with old ink that use with this printer before, After printer checking itself, it alert Incompatible Cartridges Y (Yellow), This printer is not designed to use continuous ink systems.To resume printing remove continuous ink system and install original HP Cartridge, checking Cyan what error meaning? It alert Cartridge problem the Same New one replace, what is problem come from ? ink or print head?checking more.Compare 2 new inks user replaced Cyan and Magenta, it is the same or not, Magenta working and Cyan not working, Remove all inks and print carriage checking connection and print head contact, Next video show remove part on side print head, thank you for find the problem this printer with us,
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