Brother Copier/Printer MFC-9970CDW - Manual (Page 96)

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Replacing the drum unit
A
IMPORTANT
• While removing the drum unit, handle it
carefully because it may contain toner. If
toner scatters on your hands or clothes,
immediately wipe or wash it off with cold
water.
• Every time you replace the drum unit,
clean the inside of the machine. (See
Cleaning and Checking the machine in
Appendix A of the Advanced User's
Guide.)
a
Make sure that the machine is turned
on.
b
Press the front cover release button and
then open the front cover.