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TROUBLESHOOTING AND ROUTINE MAINTENANCE
11 - 24
Replacing the Drum Unit
The FAX/MFC 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. Purchase a new drum unit to replace the current one.
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. ou should clean
the FAX/MFC when you replace the drum unit.
Caution
When removing the drum unit, handle carefully because it contains toner.
When you replace the drum unit, you should clean the FAX/MFC. (See
Cleaning the Drum Unit, page 11-19.)
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
Just after you have used the FAX/MFC, some internal parts of the machine are
extremely HOT! So please be careful.
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 20,000 pages at 20 pages
per job and 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.
HOT!
Inside the Fax Machine