Black Lines down the page – 4 causes & how to fix them - Toner Giant
Smudges down the side of each print - HP Support Community - 6505248
Black lines and streaks - HP Support Community - 7946488
HP Laserjet 4200tn thick horizontal black lines : r/printers
Solved: Laserjet 3600n Black & Blue Horizontal lines - HP Support Community - 5623135
Printer is printing black lines on first page printed - HP Support Community - 6164383
Solved: Black ink is printing half of the lines - HP Support Community - 5128756
Faded vertical white lines on the left side of paper when pr... - HP Support Community - 7152710
Solved: Thick black lines showing on scan or copy on LaserJet Pro - HP Support Community - 6260989
Laserjet 1005 mfp printer large black horizontal lines - HP Support Community - 7161553
Solved: Vertical lines in prints - HP Support Community - 5953143
Toner Cartridge Troubleshooting Guide - YouTube
Solved: YELLOW HORIZONTAL LINES ON EVERY PRINT - HP Support Community - 5632613
Black Horizontal Lines - HP Support Community - 6969235
Fix the Problem: HP Printer is Printing Black Line on Paper
Black Lines down the page – 4 causes & how to fix them - Toner Giant
Solved: Laserjet Pro 400 M401dw Streaks down right side of page - HP Support Community - 5825013
HP Laserjet Printer prints thick black horizontal linew : r/techsupport
black lines down the side of every print job (HP LaserJet 500 Color M551). cleaning page did nothing. any ideas of what might be wrong? : r/printers
My Copies Have Black Lines – How Can I Fix It?
black marks on right edge of paper - HP Support Community - 6144046
How Can I Fix Lines and White Streaks on My Inkjet Printer? - Precision Answers
Black vertical lines on page when printing in color - HP Support Community - 5598639
Black or colored vertical lines or streaks on printed pages
