Brother DCP-9055CDN Replacing the drum unit

	Routine maintenance
l Push the drum unit in until it stops.	Replacing the drum unit
	Model name: DR-340CL
	A new drum unit can print approximately
	25,000 A4 or Letter size single-sided pages.

IMPORTANT

For best performance, use a Brother Original drum unit and Brother Original toner units. Printing with a third-party drum unit or toner unit may reduce not only the print quality but also the quality and life of the machine itself. Warranty coverage may not apply to problems caused by the use of third-party drum or toner units.

m Close the front cover of the machine.

Note

After you replace a toner cartridge, DO NOT turn off the machine's power switch or open the front cover until the LCD clears the Please Wait message and returns to Ready mode.

Drum Error

A

Drum Error

Slide the Green

The corona wires have become dirty. Clean the corona wires in the drum unit. (See Cleaning the corona wires on page 66.)

If you cleaned the corona wires and

Drum Error was not cleared then the drum unit is at the end of its life. Replace the drum unit with a new one.

Replace Drum

Replace Parts

Drum

The drum unit has exceeded its rated life. Please replace the drum unit with a new one. We recommend a Brother Original drum unit be installed at this time.

After replacement, reset the drum counter by following the instructions included with the new drum unit.

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