Brother Changing a drum on a Brother HL5340d -Drum Unit - BrotherHL-5340D User Manual is available in PDF format.
The Brother machine has different consumables.You should only replace the drum unit.Refer to the question, "What is the difference between the drum unit and the toner cartridge?"
If you want to clean the inside or outside of the machine, do not use sprays or flammable substances.It is possible to cause a fire or electrical shock.
For the order number.Refer to the User's guide provided with your Brother Printer or the Consumables & Options page of your model for more information.Click your model name link to visit the page.You can click the "Consumables & Options" link on the opened page.XXXX stands for your model name.
We recommend that you put the drum unit on a piece of disposable paper or cloth in case of an accident.If you want to prevent damage to the printer from static electricity, don't touch the electrodes.
Wait to put the drum unit in the printer until you unpack it.The drum unit can be damaged by direct sunlight or room light.