Brother TN-221/TN-225 showing vertical black line

  • Toner showing vertical black line

  • Please try the following instruction:

    1. Take out the cartridge from your printer first and turn off your printer for a minute.
    2. Clean the corona wire.
    3. Look inside your printer to see if there is paper jammed inside.
    4. Test with your old cartridge to see if the problem still occurs

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