marks on prints printer fix
Kyocera FS-3920 laser printer with marks on the prints, lines going down the whole page and repeat marks also, this was caused by the charge roller on the drum unit, this needed removing and cleaning with alcohol, the cleaning roller was also cleaned, the prints are perfect on this machine even after 265000 prints with the original drum unit installed !
Kyocera marks on print repairs, repeat marks, lines on print, print quality issue.