Brother DCP-9055CDN - Manual (Page 56)

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Replacing the belt unit
A
Model name: BU-300CL
A new belt unit can print approximately
50,000 A4 or Letter size single-sided pages.
Replace Belt
A
When the following message appears on the
LCD, you need to replace the belt unit:
Replace Parts
Belt Unit
IMPORTANT
• DO NOT touch the surface of the belt unit.
If you touch it, it could degrade print
quality.
• Damage caused by incorrect handling of
the belt unit may void your warranty.
a
Make sure that the machine is turned
on.
b
Press the front cover release button and
then open the front cover.