Brother FAX 4750 manual Checking the Drum Life, Follow these steps to replace the drum unit

Follow these steps to replace the drum unit:

1 Open the front cover.

2 Remove the old drum unit. Place the drum unit on a drop cloth or disposable

paper to avoid scattering toner.

3Hold down the lock lever on the

right and pull the toner cartridge out of the drum unit assembly. (See Replacing the Toner Cartridge, page 17-23.)

Lock

Lever

Discard the used drum unit according to local regulations. If you are not sure of them, call your local Sanitation Department. Be sure to seal the drum unit tightly so toner powder does not spill out of the unit. When discarding used drum units, keep them separate from domestic garbage.

4Wait to unpack the new drum unit until immediately before installing it. Place the old drum unit into the aluminium bag and discard it according to local regulations.

5Reinstall the toner cartridge into the new drum unit. (See Replacing the Toner Cartridge, page 17-23.)

6Reinstall the new drum unit, keeping the front cover open.

7Press Clear .

8Press 1 and when the display shows ACCEPTED, and close the front cover.

Caution

REPLACE DRUM?￿ 1.YES 2.NO

If toner scatters and your hands or clothes get dirty, immediately wipe off or wash with cold water.

Checking the Drum Life

You can see the percentage of the drum’s life that remains available.

1For the FAX, press Function , 0 , 4 .

For the MFC, press Function , 1 , 0 , 4 .

2For five seconds, the screen displays the available percentage of drum life.

DRUM LIFE￿ REMAINING:70%

Even if the remaining drum life is 0%, you may continue to use the drum unit until you have a print quality problem.

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