Brother Hl 5270dn User Manual

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You will need to replace certain parts and clean the printer regularly.
WARNING 
When you replace certain parts or clean the inside of the printer, remember the following:
• If your clothes are smeared with toner, wipe off the toner with a dry cloth and immediately wash the 
clothes in cold water to avoid stains.
• Be careful not to inhale toner.
• After you have just used the printer, some internal parts of the printer will be extremely hot. When you 
open the front cover or back cover of the...

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Consumables
Toner cartridge
A new toner cartridge can print approximately 3,500 (standard cartridge) or approximately 7,000 (high yield 
cartridge) A4 or Letter size single-sided pages at 5% coverage.
Note
• The amount of toner used varies according to what is printed on the page and the print density setting.
• If you change the print density setting for lighter or darker printing, the amount of toner used will change.
• Wait to unpack the toner cartridge until immediately...

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Replacing the toner cartridge
Note
• To ensure high quality printing, we recommend that you use only genuine Brother toner cartridges. When 
you want to buy toner cartridges, call the dealer you bought the printer from or Brother Customer Service.
• We recommend that you clean the printer when you replace the toner cartridge. See Cleaning on page 85.
 
aPress the front cover release button and then open the front cover. 
bTake out the drum unit and toner cartridge assembly....

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cPush down the blue lock lever and take the toner cartridge out of the drum unit. 
CAUTION 
DO NOT put a toner cartridge into a fire. It could explode, resulting in injuries.  Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold 
water at once.
  To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.
 
Note
• Be sure to seal up the toner cartridge tightly in a bag so that toner powder...

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CAUTION 
Wait to unpack the toner cartridge until immediately before you put it in the printer. If toner cartridges are 
left unpacked for a long time the toner life will be shortened.
  If an unpacked drum unit is put in direct sunlight or room light, the unit may be damaged.  Put the toner cartridge in the drum unit immediately after you have removed the protective cover. To prevent 
any degradation to the print quality, DO NOT touch the shaded parts shown in the...

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ePull off the protective cover. 
fPut the new toner cartridge firmly into the drum unit until you hear it lock into place. If you put it in 
properly, the lock lever will lift automatically.
 
CAUTION 
Make sure that you put in the toner cartridge properly or it may separate from the drum unit.
 
gClean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left and left 
to right several times.
 
CAUTION 
Be sure to return the tab to the home...

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hPut the drum unit and toner cartridge assembly back in the printer. Close the front cover. 
 

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Drum unit
A new drum unit can print approximately 25,000 A4 or Letter size single-sided pages at 5% coverage.
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 approximately 25,000 pages. The actual number of pages that your drum will print 
may be significantly less than this estimate....

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bHold down Go until the message DRUM CLEAR is displayed on the LCD, then release Go. 
Improper Setup 
Do not reset the drum counter when you replace only the toner cartridge.
 
cTake out the drum unit and toner cartridge assembly. 
CAUTION 
We recommend that you put 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...

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dPush down the blue lock lever and take the toner cartridge out of the drum unit. 
CAUTION 
Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold 
water at once.
  To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.
 
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...