Is it normal to see black powder on the toner cartridge & drum for the Brother HL-2170w laser printer

laser-printertoner

I opened my printer to change the drum unit and I noticed a lot of black powder on top of the toner and the drum unit.

  • Is this normal?
  • Does this mean the drum unit/toner is bad?
  • Should I just change both of them or can I just change one?
  • If I change one, say just the toner, but the drum unit is bad – will it damage the new toner cartridge – and vice versa?

I cleaned the dust powder (which I guess is toner) off, but the printer still prints dirty.

Thanks.

Edit 1: All of this stems from this question – Can a generic drum unit cause a Brother HL-2170w Laser B&W printer print dirty?

Best Answer

Toner dust is gonna happen, so don't worry too much.

However, if you start getting unfused toner on your output paper, it could be a sign of a bad fuser roller and you may need to replace it.

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