Brother HL 2250DNR User Manual

Routine Maintenance 
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Before replacing the consumable items4
Please read the following instructions before replacing the consumable items.
WARNING 
DO NOT put a toner cartridge into a fire. It could explode, resulting in injuries.
  
DO NOT use flammable substances, any type of spray or any organic solvent/liquids containing alcohol or 
ammonia to clean the inside or outside of the machine. Doing this may cause a fire or electrical shock. See 
Cleaning on page 83 for how to clean the machine.
  
Be...

Routine Maintenance 
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IMPORTANT
• Brother machines are designed to work with toner of a particular specification and will work to a level of 
optimum performance when used with genuine Brother branded toner cartridges. Brother cannot 
guarantee this optimum performance if toner or toner cartridges of other specifications are used. Brother 
does not therefore recommend the use of cartridges other than genuine Brother branded cartridges with 
this machine.
If damage is caused to the drum unit or other...

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• DO NOT unpack a spare toner cartridge until immediately before you put it into the machine. If toner 
cartridges are left unpacked for a long time the toner life may be shortened.
• DO NOT unpack a spare drum unit until immediately before you put it into the machine. If drum unit is 
exposed to sunlight or room light the unit may be damaged.
• While removing the drum unit, handle it carefully because it may contain toner.
 
Note
• Be sure to seal up the used toner cartridge...

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Toner cartridge4
The original toner cartridge that came with the machine may be either a starter, standard or a high yield toner 
cartridge
1, and depends on the model and country you bought the machine in.
1For detalled information of toner yield, see Supplies on page 125
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...

Routine Maintenance 
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REPLACE TONER4
The machine will stop printing until you replace the toner cartridge. A new and unused original Brother toner 
cartridge will reset the REPLACE TONER mode.
 
Replacing the toner cartridge4
Before you replace the toner cartridges, see Before replacing the consumable items on page 67.
aMake sure that the machine is turned on. Leave the machine for at least 10 minutes to cool down.
bOpen the front cover. 
 

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cTake out the drum unit and toner cartridge assembly. 
IMPORTANT
• 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 machine from static electricity, DO NOT touch the electrodes shown in the 
illustration.
 
 
 

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dPush down the green lock lever and take the toner cartridge out of the drum unit. 
eUnpack the new toner cartridge. Hold the cartridge level with both hands and gently shake it from side 
to side several times to spread the toner evenly inside the cartridge.
 
 

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fPull off the protective cover. 
gPut the new toner cartridge firmly into the drum unit until you hear it lock into place. If you put it in 
properly, the green lock lever will lift automatically.
 
 

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hClean the primary corona wire inside the drum unit by gently sliding the green tab from right to left and 
left to right several times.
 
Note
Be sure to return the tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe.
 
iPut the drum unit and toner cartridge assembly back into the machine. Close the front cover. 
Note
DO NOT turn off the machines power switch or open the front cover until the Ready LED lights up.
 
1
 

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The printing operation varies depending on the machine setting:
Default setting (Stop mode)
The machine will stop printing until you replace the toner cartridge with a new one when the LEDs indicate  
REPLACE TONER.
Continue mode
To force the machine to continue printing after the LEDs indicate REPLACE TONER, press Go seven 
times to enter Continue mode (all the LEDs flash twice, and then the Ready LED turns on). The machine 
will continue printing until the LEDs indicate...