Brother International MFC-9550 Owners Manual - Page 179

Replacing the Drum Unit

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166 C H A P T E R S E V E N T E E N Replacing the Drum Unit The machine uses a drum unit to create the print images on paper. If the screen displays CHANGE DRUM SOON, the drum unit is nearly at the end of its life. Prepare a new drum unit to replace the current one. You may need to order one from your Brother dealer. Even if the display shows CHANGE DRUM SOON, you may be able to continue to print without replacing the drum unit for a while. However, if there is a noticeable deterioration in the output print quality even before CHANGE DRUM SOON is shown, then the drum unit should be replaced. You should clean the machine when you replace the drum unit. WARNING When removing the drum unit, handle carefully because it contains toner. When you replace the drum unit, you should clean the machine. The drum unit is a consumable, and it is necessary to replace it periodically. There are many factors that determine the actual drum life, such as temperature, humidity, type of paper and toner that you use and the number of pages per print job, etc. The drum life is estimated at approximately 8,000 pages at 1 page per job. The actual number of pages your drum will print may be significantly less than these estimates. Because we have no control over the many factors that determine the actual drum life, we cannot guarantee a minimum number of pages that will be printed by your drum. For best performance, use only genuine Brother toner, and the product should be used only in a clean, dust-free environment with adequate ventilation. WARNING After you have just used the machine, some internal parts of the machine are extremely HOT! So please be careful. HOT!

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166
CHAPTER SEVENTEEN
Replacing the Drum Unit
The machine uses a drum unit to create the print images on paper. If the
screen displays
CHANGE DRUM SOON
, the drum unit is nearly at the
end of its life. Prepare a new drum unit to replace the current one. You
may need to order one from your Brother dealer.
Even if the display shows
CHANGE DRUM SOON
, you may be able
to continue to print without replacing the drum unit for a while.
However, if there is a noticeable deterioration in the output print quality
even before
CHANGE DRUM SOON
is shown, then the drum unit
should be replaced. You should clean the machine when you replace the
drum unit.
WARNING
When removing the drum unit, handle carefully because it contains toner.
When you replace the drum unit, you should clean the machine.
The drum unit is a consumable, and it is necessary to replace it
periodically. There are many factors that determine the actual drum life,
such as temperature, humidity, type of paper and toner that you use and
the number of pages per print job, etc. The drum life is estimated at
approximately 8,000 pages at 1 page per job. The actual number of pages
your drum will print may be significantly less than these estimates.
Because we have no control over the many factors that determine the
actual drum life, we cannot guarantee a minimum number of pages that
will be printed by your drum.
For best performance, use only genuine Brother toner, and the product
should be used only in a clean, dust-free environment with adequate
ventilation.
WARNING
After you have just used the machine, some internal parts of the machine
are extremely
HOT!
So please be careful.
HOT!