Brother Hl 4050cdn User Manual

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This printer has the following optional accessories. You can increase the capabilities of the printer with these 
items.
Lower tray (LT-100CL) (HL-4050CDN / HL-4070CDW only )5
One optional lower tray (Tray 2) can be installed, and the lower tray can hold up to 500 sheets of 80 g/m2 
(20 lb) paper. When the optional tray is installed, the printer can hold up to 800 sheets of plain 80 g/m
2 (20 lb) 
paper. If you want to buy the optional lower tray unit, call the dealer you bought the printer from...

Options
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SO-DIMM5
The printer has 64 MB of standard memory and one slot for optional memory expansion. You can expand the 
memory up to 576 MB by installing a Dual In-line Memory Module (SO-DIMM).
SO-DIMM types5
You can install the following SO-DIMMs:

128 MB TechWorks PM133-128

256 MB TechWorks PM133-256

512 MB TechWorks PM133-512

128 MB Buffalo Technology 12462-0001

256 MB Buffalo Technology 12485-0001

512 MB Buffalo Technology 12475-0001
Note
 For more information, visit the Buffalo...

Options
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Installing extra memory5
Note
Always turn off the printer power switch before installing or removing the SO-DIMM.
 
aTurn off the printer power switch, and then unplug the printer. Disconnect the interface cable from the 
printer.
bRemove the two SO-DIMM covers (both the plastic one (1) and the metal one (2)). 
cUnpack the SO-DIMM and hold it by its edges.
CAUTION 
To prevent damage to the printer from static electricity, DO NOT touch the memory chips or the board 
surface.
 
dHold the...

Options
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ePut the two SO-DIMM covers back on (both the plastic one (1) and the metal one (2)). 
fReconnect the interface cable to your printer. Plug the printer back in, and then turn on the power switch.
Note
To make sure that you have installed the SO-DIMM properly, you can print the printer settings page that 
shows the current memory size. (See Menu tableon page 77.)
 
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Replacing the consumable items6
When you need to replace the consumable items, the following messages will appear on the LCD.
1at 5% print coverage (A4 or Letter size). The actual number of printed pages will vary depending on the print jobs and paper you use .
2Standa rd to ne r cartridge .
3High-capacity toner cartridge.
4at 5% print coverage for CMYK each (A4 or Letter size). The actual number of printed pages will vary depending on the print jobs and paper you 
use.
The following messages...

Rout i ne  Ma i nt e na nce
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The following are maintenance messages that appear alternately with the Ready message on the upper row 
of the LCD when the printer is in the Ready state. These messages advise you that you will need to replace 
each of the consumable items as soon as possible, since the consumable item’s end of life has been reached. 
The printer will continue printing when any of these messages appear on the LCD.
1When printing A4 or Letter size paper. The actual number of printed pages...

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Toner cartridges6
Note
 The amount of toner used varies according to what is printed on the page and the print density setting.
 Wait to unpack the toner cartridge until immediately before you put it into the printer.
 
Toner nearly empty message6
Check printed pages, page counter, and display messages regularly. If the o indicator starts blinking, the 
printer has nearly run out of toner or the toner is not evenly distributed inside the cartridge.
 
Ready
o n n o
The...

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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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aTurn off the printer power switch. Press the front cover release button and then open the front cover. 
bHold the green handle of the drum unit. Lift the drum unit up and then pull it out until it stops. 
cHold the handle of the toner cartridge and pull it out of the drum unit. Repeat this for all the toner 
cartridges.
 
 

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CAUTION 
We recommend that you place the toner cartridges on a clean, flat surface with a piece of disposable paper 
underneath them in case you accidentally spill or scatter toner.
  
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...