Brother dcp-7060d - black stain on page?

[milenjs]

After few perfect pages - black stain like this. Toner is new /compatibility/, pcu drum is changed. What could be the problem?

[driving lots of miles]

Re: Brother dcp-7060d - black stain on page?

The Toner cartridge is leaking and dropping down onto the page. Brother machines don't get along well with compatible toners.

[milenjs]

Re: Brother dcp-7060d - black stain on page?

Thank you! I try whit other tonner cassette.