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Ashley ValentineAug 21, 2025
What to do if my Brother MFC 8890DW - B/W Laser - All-in-One All in One Printer has vertical black line appears in copies?
- DduanethomasAug 21, 2025
Black vertical lines on copies are typically caused by dirt or correction fluid on the glass strip, or the corona wire for printing is dirty. Clean the scanner and the corona wire.