MFC 4550/6550MC/7550MC

OP-US-5.0

REGULAR MAINTENANCE

WARNING

Do not use isopropyl alcohol to clean the scanner window or the toner sensor.

Do not touch the scanner window with your finger.

Handlethedrumunitcarefullyasitcontainstoner.Iftonerscattersand yourhandsorclothsgetdirty,immediatelywipeorwashitoffwithcold water.

Toner sensor

Gears

Electric terminal

 

Gears

Scanner window

WARNING

Just after you have used the machine,someinternalpartsofthe machine are extremely Hot! When you open the top cover of the

Inside the machine

machine, never touch the shaded parts shown in the diagram to the left.

Shaded parts are HOT!

Cleaning the Drum Unit

NOTE: We recommend you place the drum unit on a drop cloth or large piece of disposablepapertoavoidspillingandscatteringthetoner.

Maintenance

1. Turn the drum unit upside down carefully.

14-2

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Brother 7550MC, 6550MC warranty Cleaning the Drum Unit, 14-2, Turn the drum unit upside down carefully