Lexmark MX/MS Drum Unit print quality defect - for lexmark ms811. MS310. MS410 drum unit 

Massive thanks! This worked on an MS410dn, I was about to replace the imaging unit and you saved me the trouble.

تبارك الله على ولدي الحبيب الله يسر ليك جميع أمورك ياربي

Muchas gracias,muy ilustrativo

Why did you scrape the doctor blade with a steak knife? Was it to remove excess toner? Or to get rid of the bumps on the metal?

спасибо

Y por que no imprimiste para mostrar el resultado??

If I wanted to hear a piano concerto I would have gone to one. Next time try talking people through process.