Brother HL-1070 - B/W Laser Printer Service Manual page 198

USER'S GUIDE
!
Caution
Keep the drum unit level after removing the toner cartridge, to avoid
possible toner spill or scatter.
Follow these steps to replace the toner cartridge:
1. Turn off the power switch.
2. Open the top cover. Remove the drum unit by holding each side of the
drum and gently lifting the drum towards you (up and out).
Note
Make sure that the top cover is correctly latched open, indicated by a
click
Fig. 5-2 Removing the Drum Unit
Note
It is recommended to put the drum unit on a piece of disposable paper or
cloth in case of accidental toner spill or scatter.
5–2