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Black Line or Horizontal Line Problems and Solutions in Hp/Canon Laser Printers | 100% Fix | - YouTube
Solved: Black lines down side of page when I copy or fax using feede... - HP Support Community - 6502571
The printed pages have black vertical lines or streaks. How do I improve the print quality? - Brother Canada
hey guys my printer just started leaving black lines on the back of paper for no reason, is there anything I can do to fix it? (more info in comments) : r/printers
Black Lines down the page – 4 causes & how to fix them - Toner Giant
Black or colored vertical lines or streaks on printed pages - Brother Canada