Brother MFC-8710DW - Manual (Page 74)

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f
Push down the green lock lever and take
the toner cartridge out of the drum unit.
g
Turn the drum unit as shown in the
illustration. Make sure that the drum unit
gear (1) is on the left hand side.
h
Use the numbered markers next to the
drum roller to find the mark. For
example, a dot in column 2 on the check
sheet would mean that there is a mark in
the “2” region of the drum.
1