This Kyocera FS1020 printer was brought to me because it wasn’t working but the primary fault turned out to be a paper jam. However the printer had some other problems: Light print – Caused by a dirty laser assembly. Dark vertical lines – caused by a dirty charge unit corona wire. (The fix is covered in…
In cases where your printer is printing light or light on one side of the page you may have a dirty/dusty laser unit. This can be fixed by cleaning the mirrors and the polygon mirror surfaces. This is a quick guide on how to clean a laser unit. It applies to the Brother HL5140 but…
The laser glass slits can get dirty and affect copy quality over time on any laser printer (usually causes fading of prints). On Brother MFC9440CN it is easy to clean the glass slits. First remove the drum unit and toners. Inside the printer above the drums you will see 4 slots. Take a clean lint free cloth…