Brother HL-1070 Service Manual page 132

Action 2: Install the Toner Cartridge/Drum Unit
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Unpack the drum unit assembly with the
toner cartridge included. Gently shake it
from side to side five or six times.
CAUTION
Do not expose the drum unit to light for
longer than a few minutes, as this will
damage the drum.
Starter Sheet
CAUTION
Do not remove the starter sheet.
This sheet will be ejected while the printer
is warming-up after installing a new drum
unit. (See Action 5 Illustration 4)
Open the top cover of the printer.
Holding the drum by its handles, install it
into the printer. The drum will slide easily
into place.
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