Canon printer Color imageCLASS MF8450c User Manual

12-18
Clearing Jams
Troubleshooting
1 
Open the back cover.
2 
Hold both sides of any jammed paper and 
gently pull it out.
3 
Close the back cover.
4 
Open and close the front cover to reset 
the machine.
If you are using the stack bypass tray, close it 
before opening the front cover.
Close the front cover gently holding the handle 
(A).
Back Cover
If a screen similar to the one shown below appears on the LCD display, remove the jammed paper from the 
back side of the machine. Then press the right Any...

12-19
When the Message Does Not Disappear
Troubleshooting
When the Message Does Not Disappear
When the message that indicates a paper jam occurring inside the top cover does not 
disappear even after the jammed paper is removed, this indicates that the jammed paper 
still remains in the fixing unit. Remove the fixing unit using the following procedure to 
remove the jammed paper.
The fixing unit and its surroundings inside the printer are hot during use. Make sure the fixing unit is completely cool...

12-20
When the Message Does Not Disappear
Troubleshooting
3 
Grasp and pull the tab (A) on the left side 
of the top cover to open the fixing cover.
4 
Move the control panel into the upright 
position.
5 
Press the blue tabs (A) and hold the fixing 
unit by the parts indicated with arrows.
The fixing unit and its surroundings inside the 
printer are hot during use. Make sure the fixing 
unit is completely cool before removing the 
jammed paper. Touching the fixing unit when it is 
still hot may result...

12-21
When the Message Does Not Disappear
Troubleshooting
9 
Remove the jammed paper.
10
 Install the fixing unit.
11
 Close the fixing cover.
12
 Lower the scanning platform.
Be careful not to get your fingers caught.
13
 Reconnect the power cord and turn on 
the main power switch. 

12-22
If the Delivery Feeder Unit Is Not Installed Correctly
Troubleshooting
If the Delivery Feeder Unit Is Not Installed 
Correctly
If the delivery feeder unit is not installed correctly, an error code  appears on the 
display. Follow the procedure below to install the delivery feeder unit correctly. If the error 
code does not disappear after the delivery feeder unit is installed correctly, contact Canon 
Customer Care Center.
You have to remove the delivery feeder unit and re-install the delivery...

12-23
If the Delivery Feeder Unit Is Not Installed Correctly
Troubleshooting
3 
Push the levers (A) on both sides of the 
delivery feeder unit and remove the 
delivery feeder unit gently, holding it by 
the tabs (B).
Do not place any object on or touch the 
transfer belt (A) of the delivery feeder unit. The 
transfer belt of the delivery feeder unit is 
supplied with a function that cleans itself, 
therefore, do not clean the belt even when the 
toner is on it. If the delivery feeder unit is 
broken or...

12-24
If the Delivery Feeder Unit Is Not Installed Correctly
Troubleshooting
6 
Close the front cover
Close the front cover gently holding the handle.
Be careful not to get your fingers caught.
7 
Reconnect the power cord and turn on 
the main power switch. 

12-25
Error Messages
Troubleshooting
Error Messages
When a message appears on the display, please refer to the examples of error messages in 
the table below.
MessageDescription Action
Avail. Mem.This message shows the percentage 
of the memory currently available. 
This message is displayed when 
you set the originals in the feeder in 
Fax/Send mode.If you need more space, wait for the 
machine to send any documents in 
memory. Also print, send, or delete any 
documents stored in memory.
Cannot find...

12-26
Error Messages
Troubleshooting
MessageDescription Action
Check the cable.The machine and cable are not 
connected properly.Turn OFF the machine, check that the 
machine is connected to the network 
using the proper cable, and then turn the 
machine ON.
Check the originals. Paper or originals are jammed. Remove any jammed paper or originals. 
(See “Clearing Jams,” on p.
 12-2)
Clean the scan area. The feeder scanning area may be 
dirty.Clean the feeder scanning area (See 
“Scanning Area,” on p....

12-27
Error Messages
Troubleshooting
MessageDescription Action
Not enough TCP/IP resources. 
Wait a moment and perform the 
operation again.You cannot browse the network due 
to a lack of TCP/IP resources. This 
may be because documents have 
just been continuously sent or are 
being continuously sent through FTP 
or Windows (SMB).Wait for a while, and try browsing again.
Perform the operation again. A transmission error has occurred 
because the line condition was poor.Check the line condition, then try...