Posted 6/28/2018 09:43 (#6838811 - in reply to #6838549) Subject: RE: Brother laser printer streaks...help
Bellwood, NE
We just got new toner cartridges for our Brother (8850CWD) printer and my wife said that there's instructions with them that there's either new firmware or software to address that problem. So you might try updating and see if that helps.