Brother HL-8050N - Manual (Page 142)

ROUTINE MAINTENANCE AND CONSUMABLE ITEMS REPLACEMENT 6 - 2
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Printing with a third-party toner or third-party toner cartridge may reduce not only the print quality
but also the quality and life of the printer itself. It may also cause serious damage to the
performance. Warranty coverage does not apply to problems caused by the use of third-party
toner or third-party toner cartridges.
Replacing the Toner Cartridge
1
Turn off the printer power switch.
2
Remove any paper from the center output tray.
3
Open the top cover.
Do not touch any parts inside the printer.