Question about Office Equipment & Supplies
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Posted on Jan 02, 2017
SOURCE: cannon copier pc940 paper jam
canon i960 -three flashing orange lights (paper jam error) but no paper is jammed. The print cartridge will not slide to center either-- I have tried to get the printer into service mode, but cannot get there because the orange lights never stop flashing.
Posted on Jan 05, 2008
SOURCE: Canon Imageclass MF6500
If i were a betting man I would say that indeed a piece of paper is lodged in the machine, in whats called the drum cleaning unit. This would cause the area where the image of any copies after the occurrence to have smeared/ streaked looks to them since the previous images could not be cleaned off properly. Your machine uses basically a "rubber squeegee" to remove previous images/toner from the drum so that the next image is clean and has no residual crud from the previous copy. If paper is between the cleaning blade (squeegee) and the drum then there will be yuck streched from the lead edge of the paper to the trail edge.And since the toner that should have been cleaned off and mechanically removed and deposited into the waste toner container, it has no place to go except to fall back into the paper path so that not only does the image area of the copy look bad but the back side will have **** on it as well since the toner that should have been cleaned off and carried away is falling down into the paper path and causing the backside to be contaminated as well. You may be able to lower the jam clearance lever to the vacuum transport and shine a flashlight UP and see the paper (I hope). If you do see it, carefully remove it as it will be well crammed into a tight area where several things could be damaged unless you tread lightly. THEN...... if you are successful, it begs the question as to why the paper went where it was not supposed to. Very thin paper or other unusual media can cause this. Or your "seperation corona " assembly may be failing or has failed. That's a whole different chapter of "HOW A COPIER WORKS 101". And God forbid the genesis of this problem was labels run thru the machine...... I wish you the best if luck and I wish I could be of more help.
Posted on Jul 03, 2008
SOURCE: canon pc 720
Check if you have any matter that is blocking the paper path, also try to clean the rollers that picks up paper. If you happened that copier is in a dusty enviroment, dust could deposit on rollers, and rollers when picking up paper will start slipping. Try to clean with alcohol.
Posted on Jul 14, 2008
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.
Posted on Sep 09, 2008
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