This machine is printing alternating black smudges on top half of prints only. When I print or copy something with no content in top half it comes out clean. Also only seems to affect black. Printed some solid color images and only black content or text on top half of page is effected.
There is also loud repeating cycling noise jus before and after a print job is in process,... a sound I have never heard before this print defect started occuring.
Recently replaced waste toner cartridge...