Canon printer imageCLASS MF4370dn User Manual

10-8
Maintenance 
Cleaning the Machine
 ADF (For MF4370dn/MF4350d) 
 If your documents have black streaks or appear 
dirty after copying them using the ADF, this may be 
caused by pencil lead rubbing off the documents 
and onto the roller. Clean the ADF scanning area 
and roller. 
 1 
Turn OFF the main power switch and 
disconnect the power cord. 
 2 
Open the ADF cover. 
  
 3 
Clean the rollers (A) inside the ADF with a 
cloth dampened with water. Then wipe 
the area with a soft, dry cloth. 
  
Do not...

10-9
Maintenance 
  Replacing  the  Toner  Cartridge   
    Rep la cin g t h e T o n er C artr id geReplacing the Toner Cartridge
This section describes how to replace or handle the toner cartridges and precautions on 
storing them.
  W hen  a  M essa g e A pp earsWhen a Message Appears
Toner cartridges are consumable products. If the toner is running low or out during printing, a message 
appears in the display.
Message When it is Displayed Contents and Remedies
TONER LOW
PREPARE NEW TONER The toner is...

10-10
Maintenance 
Replacing the Toner Cartridge
          Red is tr ib utin g T o n er Redistributing Toner 
 When the toner is running low, the message 
 appears on 
the display, redistribute toner in the toner cartridge. 
We recommend that you prepare a new toner 
cartridge for future replacement with ease. 
   Do not touch the rollers and parts which have labels “CAUTION! 
Hot surface avoid contact” on. They become very hot during 
use. 
    When  is set to , the printed 
documents may be light or...

10-11
Maintenance 
Replacing the Toner Cartridge
 6 
Gently rock the toner cartridge several 
times to evenly distribute toner inside. 
  
 7 
Hold the toner cartridge by its handle (A). 
  
Do not open the drum protective shutter (A) on 
the toner cartridge. Print quality may deteriorate if 
the drum surface is exposed to light or is 
damaged.
Always hold the toner cartridge by its handle.
 8 
Insert the toner cartridge so that the 
protrusion (A) on the right side of the 
toner cartridge fits into the...

10-12
Maintenance 
Replacing the Toner Cartridge
  1111
  Close the toner cover. 
  
  1212
  Lower the scanning platform. 
  
Be careful not to get your fingers caught.
If you cannot close the toner cover, do not force 
it to close. Open the cover and make sure the 
toner cartridge is properly set in the machine.
–
–
          R
ep la cin g t h e T o n er C artr id ge w it h  Replacing the Toner Cartridge with 
a N ew  O ne a New One 
 When the message  appears, replace the toner cartridge with a 
new...

10-13
Maintenance 
Replacing the Toner Cartridge
 2 
Lift the scanning platform (A) until it is 
locked. (You will hear an audible “click.”) 
  
 3 
Hold the grip (A) on the right front side of 
the toner cover. 
  
 4 
Open the toner cover. 
  
 5 
Remove the toner cartridge. 
  
Do not touch the rollers and parts which have 
labels “CAUTION! Hot surface avoid contact” on. 
They become very hot during use. 

10-14
Maintenance 
Replacing the Toner Cartridge
 6 
Take out the new toner cartridge from the 
protective bag. 
  
Do not open the drum protective shutter (A). Print 
quality may deteriorate if the drum surface is 
exposed to light or is damaged.
Save the protective bag. You may need it later 
when you remove the toner cartridge from the 
machine.
 7 
Gently rock the toner cartridge several 
times to evenly distribute toner inside. 
  
 8 
Place the toner cartridge on a flat surface 
and pull the seal...

10-15
Maintenance 
Replacing the Toner Cartridge
 9 
Hold the toner cartridge by its handle (A). 
  
Do not open the drum protective shutter (A) on 
the toner cartridge. Print quality may deteriorate if 
the drum surface is exposed to light or is 
damaged.
Always hold the toner cartridge by its handle.
  1010
  Insert the toner cartridge so that the 
protrusion (A) on the right side of the 
toner cartridge fits into the guide (B) 
located on the right side of the machine 
and slide it down parallel to...

10-16
Maintenance 
Replacing the Toner Cartridge
  1313
  Close the toner cover. 
  
  1414
  Lower the scanning platform. 
  
Be careful not to get your fingers caught.
If you cannot close the toner cover, do not force 
it to close. Open the cover and make sure the 
toner cartridge is properly set in the machine.
–
– 

10-17
Maintenance 
  Recycling  Used  Cartridges  
   Recy clin g U se d  C artr id ges  Recycling Used Cartridges 
Canon has instituted a worldwide recycling program for cartridges called 
“The Clean Earth Campaign”. This program preserves precious natural 
resources by utilizing a variety of materials found in the used cartridges 
that are of no further use, to remanufacture new cartridges which, at the 
same time, keeps the environment cleaner by reducing landfill waste. 
Complete details concerning...