Brother HL 3070CW - Manual (Page 123)

Routine Maintenance
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Replace Drum messages
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When the following message appears on the LCD, you need to replace the drum units:
Replace Drums
If only the specified drum needs to be replaced, the LCD shows the Replace Drum(X) message. (X)
indicates the drum unit color that you need to replace. ((K)=Black, (Y)=Yellow, (M)=Magenta, (C)=Cyan).
Drum Error
<Scrolling message> Replace the Drum Unit. Black (K)/ Cyan (C)/ Magenta (M)/ Yellow
(Y). Refer to the User’s Guide.
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Only the color you need to replace will be shown.
The Drum Error message has two cases: If the scrolling message shows Replace the Drum Unit.
you will need to replace the drum unit. If the scrolling message shows Slide the Green tab on Drum
Unit.
you do not need to replace the drum unit, you just need to clean the corona wires. (See Cleaning the
corona wires on page 131.)
Replacing the drum units
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IMPORTANT
• While removing the drum unit, handle it carefully because it may contain toner.
• We recommend that you clean the printer when you replace the drum unit. See Cleaning on page 128.
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Turn off the printer power switch. Fully open the top cover by lifting up on the handle (1).
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