Canon printer Color imageCLASS MF8170c User Manual

							Clearing Jams9-9
Troubleshooting
9
Paper Jam Behind the Machine
If the message  appears in the LCD, remove the paper using 
the following procedure.
CAUTION
The fuser unit and its surroundings inside the machine may become hot during 
use. When replacing fuser unit, do not touch the fuser unit and its 
surroundings, as doing so may result in burns or electrical shock.
1Open the face up cover.
2Remove the jammed paper.



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							Clearing Jams9-10
Troubleshooting
9
3Lift the scanning platform and open the cartridge cover.
4Remove the drum cartridge from the machine.
Pull the green handle on the drum cartridge in the direction of the arrow a, and lift the 
cartridge straight up b.
a
b



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9
						

							Clearing Jams9-11
Troubleshooting
9
If paper is jammed in the removed drum cartridge, do not try to pull the paper out 
forcefully but refer to "Paper Jam in the Drum Cartridge," on p. 9-18.
IMPORTANT
•Print quality may deteriorate if you touch or damage the drum that is set inside. Be 
careful not to touch the drum or open the drum
's protective shutter. Be careful not to hold 
or touch the portions that are not described for this procedure such as the sensors. It 
may result in damage to the machine.
•Do not expose the drum cartridge to direct sunlight or strong light.
•Do not hold or touch the electrical contacts. It may result in damage to the machine.
Sensors
Drum protective
shutter
Electrical
contactsElectrical
contacts

	
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							Clearing Jams9-12
Troubleshooting
9
•Do not hold or touch the imaging transfer belt. The image quality may deteriorate. Do not 
apply shock to the drum cartridge memory or bring it near magnetic waves. It may result 
in damage to the machine.
5Place the drum cartridge in the protective bag.
6Press the green lock release lever a and remove the jammed 
paper 
b.
IMPORTANT
If no paper jam has been found after performing the procedure up to this step, the paper 
may be jammed in the fuser unit at the back of the machine. In this case, skip Step 7 to 
Step 9 and start with Step 10 (
➞p. 9-15) to remove the jammed paper. In doing so, never 
close the cartridge cover. It may result in paper jams that are difficult to clear. Follow Step 
7 to Step 9 to set the drum cartridge after removing the paper.
Drum cartridge memory
Imaging
transfer belt
1
b

	
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							Clearing Jams9-13
Troubleshooting
9
7Take the drum cartridge out of the protective bag.
8Hold the drum cartridge with both hands and install it in the 
machine.
Position the triangular mark on the drum cartridge with the triangular mark on the 
machine and install the drum cartridge a.
Lock the drum cartridge by pushing it down toward you b.
1
b

	
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							Clearing Jams9-14
Troubleshooting
9
IMPORTANT
Lock the drum cartridge securely so that it may be in the state shown in the figure.
9Close the cartridge cover and lower the scanning platform.
If the message is still displayed after closing the cartridge cover and lowering the 
scanning platform, proceed to the following procedure.

	
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							Clearing Jams9-15
Troubleshooting
9
10If the paper jam message is still displayed, unplug the power cord 
from the wall outlet.
CAUTION
The fuser unit and the surrounding area can become extremely hot during 
operation. Perform the following procedure after the fuser unit has cooled down 
completely. Touching the fuser unit when it is still hot may result in burns.
11Close the face up cover.



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							Clearing Jams9-16
Troubleshooting
9
12Turn the lock release levers located on the back of the machine in 
the direction of the arrow and release the lock.
13Hold the grip on the fuser unit and remove it.
CAUTION
The fuser unit weighs approximately 3.3 lb (1.5 kg), and it is heavier on the back 
side. Be sure to hold the grip securely when carrying a fuser unit. Dropping the 
unit may result in personal injuries.
Heavier on the back side

	
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							Clearing Jams9-17
Troubleshooting
9
14Remove the jammed paper.
IMPORTANT
If the paper completely winds around the fusing roller and is impossible to be removed, 
contact your Canon dealer.
15Hold the grip on the fuser unit and install it securely.
16Lock the fuser unit by turning the two lock release levers in the 
direction of the arrow.

	
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							Clearing Jams9-18
Troubleshooting
9
17Connect the power cord and all interface cables.
18Plug the power cord in the wall outlet to turn on the machine.
If the message is still displayed after turning on the machine, pieces of torn paper may 
still be remaining inside. Re-check the various sections of the machine and remove all 
pieces of the jammed paper from inside the machine.
Paper Jam in the Drum Cartridge
When the paper is jammed in the drum cartridge as shown in the figure, remove the 
jammed paper using the following procedure.
1Turn the knob on the drum cartridge in the direction of the arrow.

	
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