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Drum unit

This printer can print up to 12,000 pages1 with one drum unit.
1
At 5% print coverage (A4 or Letter size). The actual number of printed pages will vary depending on the average type of print job and paper.
Note Note
• 
There are many factors that determine the actual drum life, such as the temperature, humidity, type of paper, type of toner used, number of pages per print job and so on. Under ideal conditions, the average drum life is estimated at up to 12,000 pages. The actual number of pages that your drum will print may be significantly less than this estimate. 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. The printer should be used only in a clean, dust-free environment with adequate ventilation.
• 
Printing with a third-party drum unit may reduce not only the print quality but also the quality and life of the printer itself. Warranty coverage does not apply to problems caused by the use of third-party drum unit.

Change Drum message

If the LED shows the message below, it means the drum unit is near the end of its life. We recommend that you replace the drum unit with a new one before there is a noticeable deterioration in the print quality.
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CAUTION CAUTION
 
While removing the drum unit, handle it carefully because it may contain toner.
 
Every time you replace the drum unit, you should clean the inside of the printer. See Cleaning.
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Replacing the drum unit

Note Note
 
We recommend that you clean the printer when you replace the drum unit. See Cleaning.
Follow these steps to replace the drum unit.
1
Make sure that the printer is turned on and the Drum LED is blinking. Open the front cover of the printer.
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2
Press and hold down the Go button for about 4 seconds until all the LEDs light up. Once all four LEDs are lit, release the Go button.
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Improper Setup Improper Setup
 
Do not reset the drum counter when you replace only the toner cartridge.
3
Pull out the drum unit and toner cartridge assembly.
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CAUTION CAUTION
 
We recommend that you place the drum unit and toner cartridge assembly on a piece of disposable paper or cloth in case you accidentally spill or scatter toner.
 
To prevent damage to the printer from static electricity, do not touch the electrodes shown in the illustrations.
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4
Push down the blue lock lever and take the toner cartridge out of the drum unit.
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CAUTION CAUTION
 
Handle the toner cartridge carefully. If toner scatters on your hands or clothes, immediately wipe or wash it off with cold water.
Note Note
• 
Be sure to seal up the drum unit tightly in a bag so that toner powder does not spill out of the unit.
• 
Discard the used drum unit according to local regulations, keeping it separate from domestic waste. If you have questions, call your local waste disposal office.
5
Unpack the new drum unit.
CAUTION CAUTION
 
Wait to unpack a drum unit until immediately before you put it in the printer. Exposure to direct sunlight or room light may damage the drum unit.
6
Put the toner cartridge firmly into the new drum unit until you hear it lock into place. If you put the cartridge in properly, the blue lock lever will lift automatically.
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CAUTION CAUTION
 
Make sure you insert the toner cartridge properly, or it may separate from the drum unit.
7
Put the drum unit and toner cartridge assembly in the printer.
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8
Close the front cover.
9
Make sure that the Drum LED is now off.
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