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  1. Be careful! HP Latex firmware update

    I agree that old ink can ruin the print head. However, all these incidents occurred at once after the firmware update. Occasionally I would use older ink, but it rarely caused any problems. And another interesting thing is that after I replaced all the new printheads on the L360, printing...

  3. Be careful! HP Latex firmware update

    I'm so angry that I'm staying still, so I'm uploading my HP experience. I have been using HP printers since 2001. Designjet 5000, 9000S, 10000S, L850, FB500, FB700, L360 and L570. Business hasn't been going well recently, so I'm only using the L570. A while ago my L570 suddenly started printing...
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