Brother Hl 4050cdn User Manual

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cRelease the gray lock lever (1) that is on the left side of the printer. Pull the drum unit completely out of 
the printer using the green handles on the drum unit.
 
CAUTION 
Hold the green handles of the drum unit when you carry it. DO NOT hold the sides of the drum unit.
 
 
 
We recommend that you place the drum unit and belt unit on a clean, flat surface with a piece of disposable 
paper underneath it in case you accidentally spill or scatter toner.
  
To prevent...

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dHold the green parts of the belt unit with both hands and lift the belt unit up, then pull it out. 
eUnpack the new belt unit, and remove the protective cover and paper. 
fPut the new belt unit in the printer. Match the h mark on the belt unit to the g mark on the printer.  Push 
down on the green area of the belt unit to lock it in place.
 
 

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gPut the drum unit back in the printer as follows.
1Make sure that the gray lock lever (1) is in the up position and put the drum unit in the printer.  Push 
down the gray lock lever (1).
 
Note
When you put the drum unit in the printer, match the green guides (1) of the drum unit handle to the green 
arrows (2) on both sides of the machine.
 
 
2Push the drum unit in until it stops. 
hClose the front cover.
11
2
1
2
1
 

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When you replace the belt unit with a new one, you need to reset the belt unit counter by completing the 
following steps:
aTurn the printer power switch back on.
bPress the + or - button to choose Machine Info..
cPress OK to proceed to the next menu level, and then press the + or - button to choose 
Reset Parts Life.
dPress OK, and then press the + button to choose Belt Unit.
ePress OK two times.
 

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Waste toner box6
Order No. WT-100CL
After you have printed approximately 20,000 pages at 5% coverage for CMYK each, you must change the 
waste toner box. The actual number of printed pages will vary depending on the print jobs and paper you use.
Waste Toner Box Full message6
When the waste toner box is full, the following message appears on the LCD and the printer will stop printing. 
When you see this message, you must replace the waste toner box:
 
Waste Toner Full...

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bHold the green handle of the drum unit. Lift the drum unit up and then pull it out until it stops. 
cRelease the gray lock lever (1) that is on the left side of the printer. Pull the drum unit completely out of 
the printer using the green handles on the drum unit.
 
1
 

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CAUTION 
Hold the green handles of the drum unit when you carry it. DO NOT hold the sides of the drum unit.
 
 
 
We recommend that you place the drum unit and belt unit on a clean, flat surface with a piece of disposable 
paper underneath it in case you accidentally spill or scatter toner.
  
 If toner scatters on your hands or clothes, wipe or wash it off with cold water at once.
  
To prevent damage to the printer from static electricity, DO NOT touch the electrodes...

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eRemove the waste toner box from the printer using the green handle. 
CAUTION 
Handle the waste toner cartridges carefully in case you accidentally spill or scatter toner. If toner scatters 
on your hands or clothes, wipe or wash it off with cold water at once.
 
Note
Discard the used waste toner box according to local regulations, keeping it separate from domestic waste. 
If you have questions, call your local waste disposal office.
 
fUnpack the new waste toner and put...

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gPut the belt unit back in the printer. Match the h mark on the belt unit to the g mark on the printer.  Push 
down on the green area of the belt unit to lock it in place.
 
hPut the drum unit back in the printer as follows.
1Make sure that the gray lock lever (1) is in the up position and put the drum unit in the printer. Push 
down the gray lock lever (1).
 
Note
When you put the drum unit in the printer, match the green guides (1) of the drum unit handle to the green...

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2Push the drum unit in until it stops. 
iClose the front cover.