Brother Hl 3040cn User Manual

Rout i ne  Ma i nt e na nce
111
5
hSlide the drum unit and toner cartridge assembly into the printer. Make sure that you match the toner 
cartridge color to the same color label on the printer.
iClose the top cover of the printer. 
jTurn the printer power switch back on.
Note
DO NOT turn off the printer power switch or open the top cover until the LCD shows Ready.
    
C - Cyan
M - MagentaY - Yellow
K - Black
C
M
Y
K
 

Rout i ne  Ma i nt e na nce
112
5
Drum units5
Order No. DR-210CL 4 pc. Drum Set or single drums DR-210CL-BK, DR-210CL-CMY
A new drum unit can print approximately 15,000 A4 or Letter size single-sided pages.
DR-210CL Drum Set contains 4 drum units 1 Black (DR-210CL-BK) and 3 Color (DR-210CL-CMY). 
DR-210CL-BK contains 1 Black drum. DR-210CL-CMY contains 1 Color drum.
Drum wear and tear occurs due to use and rotation of the drum and interaction with paper, toner and other 
materials in the paper path. In...

Rout i ne  Ma i nt e na nce
113
5
Replace Drum messages5
When the following message appears on the LCD, you need to replace the drum units:
 
Replace Drums
If only the specified drum needs to be replaced, the LCD shows the Replace Drum(X) message. (X) 
indicates the drum unit color that you need to replace. ((K)=Black, (Y)=Yellow, (M)=Magenta, (C)=Cyan).
 
Drum Error
   Replace the Drum Unit. Black (K)/ Cyan (C)/ Magenta (M)/ Yellow 
(Y). Refer to the User’s Guide.
1
1Only the color you need to replace...

Rout i ne  Ma i nt e na nce
114
5
bTake out the drum unit and toner cartridge assembly for the color shown on the LCD. 
cPush down the green-labeled lock lever (1) and take the toner cartridge out of the drum unit. 
WARNING 
DO NOT put a toner cartridge into a fire. It could explode, resulting in injuries.
  
DO NOT use cleaning materials that contain ammonia, alcohol, any type of spray, or any type of flammable 
substance to clean the outside or inside of the machine. Doing this may cause a fire or...

Rout i ne  Ma i nt e na nce
115
5
IMPORTANT
 We recommend that you place the drum unit and toner cartridge assembly on a clean, flat surface with a 
sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner.
 To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the 
illustration.
 
 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...

Rout i ne  Ma i nt e na nce
116
5
dUnpack the new drum unit and pull off the protective cover. 
IMPORTANT
Wait to unpack a drum unit until immediately before you put it in the printer. Exposure to direct sunlight or 
room light may damage the drum unit.
 
ePut the toner cartridge firmly into the new drum unit until you hear it lock into place. 
IMPORTANT
Make sure that you re-install the toner cartridge properly, or it may separate from the drum unit.
 
 

Rout i ne  Ma i nt e na nce
117
5
fSlide the drum unit and toner cartridge assembly into the printer. Make sure that you match the toner 
cartridge color to the same color label on the printer.
gClose the top cover of the printer.
When you replace a drum unit with a new one, you need to reset the drum counter by completing the following 
steps:
aTurn the printer power switch back on.
bPress + or - to choose Machine Info..
cPress OK to proceed to the next menu level, and then press + or - to choose Reset...

Rout i ne  Ma i nt e na nce
118
5
Belt unit5
Order No. BU-200CL
A new belt unit can print approximately 50,000 A4 or Letter size single-sided pages.
Belt End Soon message5
 
Belt End Soon
If the LCD shows Belt End Soon, it means the belt unit is near the end of its life. Buy a new belt unit and 
have it ready before you get a Replace Belt message. To replace the belt unit, see Replacing the belt unit 
on page 118.
Replace Belt message5
When the following message appears on the LCD, you need to replace...

Rout i ne  Ma i nt e na nce
119
5
bTake out all the drum unit and toner cartridge assemblies.  
IMPORTANT
 We recommend that you place the drum unit and toner cartridge assembly on a clean, flat surface with a 
sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner.
 To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the 
illustration.
 
 Handle the toner cartridge carefully. If toner scatters on your hands or...

Rout i ne  Ma i nt e na nce
120
5
cHold the green handle of the belt unit and lift the belt unit up, then pull it out. 
IMPORTANT
To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations.
 
dUnpack the new belt unit and put the new belt unit in the printer.