Hi,
When change toner from original (kyocera) to compatible i have problem with gray background all over the page.
(No drum/charge problem!)
When removing knife above developer rol and vacuuming all toner away problem is solved.
I think it's problem between toner strucuture from both different toner cartridges....
Is there no easier way???
Thx
When change toner from original (kyocera) to compatible i have problem with gray background all over the page.

When removing knife above developer rol and vacuuming all toner away problem is solved.
I think it's problem between toner strucuture from both different toner cartridges....
Is there no easier way???
Thx
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