Cleaning The Drum Unit - Brother MFC4450 Owner's Manual

Brother multi-function center owner's manual
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MFC 4450/OP-US-5.0
REGULAR MAINTENANCE
• Do not use isopropyl alcohol to clean the scanner window or the toner
sensor.
• Do not touch the scanner window with your finger.
• Handle the drum unit carefully as it contains toner. If toner scatters and
your hands or cloths get dirty, immediately wipe or wash it off with cold
water .
Gears

Cleaning the Drum Unit

NOTE: We recommend you place the drum unit on a drop cloth or large piece of
disposable paper to avoid spilling and scattering the toner.
1 . Turn the drum unit upside down carefully.
13-2
WARNING
Toner sensor
Scanner window
Gears
Inside the MFC
Shaded parts are
Electric terminal
WARNING
Just after you have used the MFC,
some internal parts of the MFC are
extremely Hot! When you open the
top cover of the MFC, never touch
the shaded parts shown in the
diagram to the left.
HOT!

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4450 - mfc b/w laser printer

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