Canon printer imageCLASS MF3240 User Manual

10-15
Maintenance
●Apply the Canon Canada Inc./Canada Post label provided in this brochure. 
●Canon’s labels are specially marked so that Canon pays the postage.
●Deliver to any local Canada Post outlet or franchise. Customers who hold a 
Commercial pick-up agreement with Canada Post may have their collection box 
picked up.
Working to preserve endangered species is a long-standing Canon interest. 
To this end, for every cartridge collected, Canon Canada donates $1, shared equally 
between World Wildlife...

10-16
Maintenance
Transporting the Machine
Follow this procedure to avoid 
vibration damage to the machine when 
transporting it over a long distance.
1Disconnect the power cord and 
all the cables from the back of 
the machine.
2Open the front cover.
3Remove the toner cartridge.
CAUTION
– To avoid exposing the toner cartridge to 
light, place it in its protective bag or 
wrap it in a thick cloth.
– Do not open the drum protective shutter 
on the toner cartridge. Print quality may 
deteriorate if the...

10-17
Maintenance
6Remove the extension cover 
from the machine.
7Detach the paper cassette 
extension from the paper 
cassette.
8Insert the paper cassette into the 
machine.
9Detach the output tray.
10Make sure all the covers are 
closed.
11Grip the handles on both sides 
of the machine and lift it 
carefully, as shown in the 
illustration below.
CAUTION
– Do not lift the machine by any of its 
attachments. Dropping the machine can 
cause personal injury.
– If you have a back problem, make sure 
to...

10-18
Maintenance 

11-1
Troubleshooting
Troubleshooting
Clearing Paper Jams
When a jam occurs inside the 
machine, the paper jam message 
appears on the LCD display. When 
 appears on the LCD 
display, remove jammed paper from 
inside the machine first, then from the 
paper cassette if necessary. Check the 
following if you experience repeated 
paper jams:
– Even the edge of the paper stack by 
a flat surface before loading it in the 
machine.
– Check that the paper you are using 
meets the requirements for use. 
(See...

11-2
Troubleshooting
CAUTION
– Remove watches and any bracelets or 
rings when touching the inside of the 
machine. These items might be 
damaged if they come into contact with 
the parts inside the machine.
– To avoid possible damage to the 
machine, do not touch the pins (A) near 
the left end of the transfer roller (B).
– Do not open the drum protective shutter 
on the toner cartridge. Print quality may 
deteriorate if the drum surface is 
exposed to light or is damaged. 
– When removing the jammed...

11-3
Troubleshooting
4Hold both sides of the jammed 
paper and carefully move it 
inward, then gently pull it out.
CAUTION
– When removing jammed documents or 
paper, take care not to cut your hands on 
the edges of the document or paper.
– When removing jammed paper or when 
inspecting the inside of the machine, do 
not allow necklaces, bracelets, or other 
metal objects to touch the inside of the 
machine, as this may result in burns or 
electrical shock.
– If you tear the paper, remove any torn...

11-4
Troubleshooting
6Gently pull the jammed paper 
between the output rollers until 
the leading edge emerges from 
the machine.
7Carefully pull the jammed paper 
straight out through the rollers.
If the jammed paper is badly folded, similar 
to the folds of an accordion, ease the 
jammed paper loose and then pull it out of 
the machine.
8Close the front cover.
9Pull out the paper cassette 
completely. 

11-5
Troubleshooting
10Hold both sides of the jammed 
paper and slowly pull it out in 
the direction of the arrow.
– When feeding paper from the paper 
cassette:
– When feeding paper from the multi-
purpose feeder:
11Push the green paper release 
levers (B) back to their original 
position and close the face up 
cover (A).
NOTE
– Be sure to push the paper release levers 
back to their original position. If the 
levers are left pushed down, the paper 
jam error will not be resolved.
– Never push down the...

11-6
Troubleshooting
14Insert the toner cartridge into 
the machine as far as it will go.
Hold the toner cartridge and align the 
protrusions (A) on both sides of the toner 
cartridge to the guides (B) in the machine, 
then gently slide the toner cartridge into the 
machine as far as it will go.
Be sure to position the arrow mark (C) on 
the toner cartridge towards the inside of 
the machine.
15Close the front cover.
CAUTION
Be careful not to get your fingers caught.
NOTE
After you replace the toner...