JAMMING
SOURCE: Paper Jam
I have just had the same problem on one of these Canon MF4150 machines.
The manufactures warranty on our machine had expired just one week before this happened so I had to fix this myself.
The problem we had (which is very likely to be the same cause as yours) is when we removed some torn jammed paper, it had somehow pulled off a spring from inside the machine. The spring was linked to the paper jam sensor.
It does involve a LOT of work to fix it, and unless you are very 'techy' it may be quite a difficult task to do this for the 'average' person.
I had to completely disassemble the machine:
Take off the front first (lift up the cover and there is 2 screws at the front and 2 clips on the bottom of the machine)
Then remove the 2sides and finally the top (screws should be easy to see, to get the sides off, un-clip along the front edges and gently move them outwards and slide them backwards to release the clips on the back) being careful with the wires going to the scanner part).
Then look for the fuser unit which is near the top at the back, there is a black rounded cover over the fuser. To remove the cover, look for 2 small clips one at each side and unclip the cover and gently lift upwards.
Under the cover on the left side you will see a small plastic rod which goes from the left side to a small tab in the middle, if you look about half way along that rod you should see a tiny spring, make sure this is clipped on properly and that you are able to rotate the rod and it should spring back to the proper position when you let go.
Once this is done, put it all back together again and it should work fine.
I'm sure a lot of other people probably have this same problem too so I hope this helps someone.
SOURCE: jarry cannon
open printer cover, pull out toner cartridge, re-install cartridge, close door, it should re-boot the machine.
SOURCE: cannon imageclass mf3240 laser printer paper jam
Hello there,
Hope I could still share with you this fix because this is where you need to look at when you think you have done everything to remove the paper jam.
1. Turn off the printer and pull out all plugs and power cord that is attached to your printer.
2. Remove the paper tray at the bottom and let the printer lie at its back so that you can see underneath.
3. Get a flashlight and look closely for the sensor located underneath the printer. The sensor is located in a small
square hole, just above the small black plastic "lever" (looks like a small hockey
paddle) on the left side of the gray rubber roller. Move the lever so that you can freely look closer on the hole.
4. Notice because there could be a tiny paper shred stuck inside and this causes the sensor to detect a paper jam.
5. Get a small tweezer to remove that paper out.
6. Next, let the printer stand normally and return the tray back.
7. Re-plug all cables and start your printer. That's it!
You can also click on this link for this trick.
http://www.fixya.com/support/r3827902-canon_imageclass_mf3240_paper_jam_fix
SOURCE: paper jam in canon Imageclass D861 copy machine
Where inside in fixing unit, drum unit,...
It is problem if its fixing unit jam.Best take it to service
SOURCE: CANNON PC745 SAYS PAPER JAM. NO PAPER JAMMED.
The problem is normally on the exit sensor.Please check the exit sensor if its in the right possition.If the exit sensor is in the right position,also check the registration sensor if its sitting in the right position.Normally the problem is that the sensors (either the 'exit ' or 'registration' sensors) will be not in their correct position.If the two sensors are ok,there should be a small paper lleft in the machine
Brighton2m
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