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Hello,This error code refers to a paper jam. Please follow all the steps below:Issue: ERROR LCD: Error Code C000Solution: Clearing Paper Jams - MG5220If you have all the proper steps to remove the paper jam, pieces of paper and any debris within side the printer. you have done all the cleaning steps as well, including an air can, generally this is a sensor issue, that has a tiny spec on a sensor or laser.
Remove the paper following the procedure below.
1. Slowly pull the paper out, either from the Rear Tray or from the Paper Output Slot, whichever is easier.
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2. Reload the paper, and press the OK button on the machine.
If you turned off the machine in step 1, all print jobs in the queue are canceled. Reprint if necessary.
If you cannot remove the paper or the paper tears inside the machine, or if the paper jam error continues after removing the paper, contact the service center.
1. Detach the Rear Cover. The Rear tray Support must be extended fully to access.
2. Pull the paper out slowly.
3. Attach the Rear Cover.
Push the left side of the Rear Cover until it is closed completely.
If you were not able to remove the paper out in step 2:
4. Remove the Cassette.
5. Pull the paper out slowly.
6. If any paper is sticking out of the Cassette, remove the paper, align and reload the paper in the Cassette.
If you did not remove the jammed paper out in step 1 to 5 when automatic duplex printing, check the duplex transport section.
7. Insert the Cassette into the machine again, and press the OK button on the machine.
If you turned off the machine in step 2, all print jobs in queue are canceled. Reprint if necessary.
If you cannot remove the paper or if the paper tears inside the machine, or if the paper jam error continues after removing the paper, contact the service center.
1. Turn off the machine, and unplug the power cord of the machine from the power supply.
2. Remove the Cassette.
If the paper is loaded on the Rear Tray, remove the paper from the Rear Tray and retract the Paper Support.
3. Set the machine upright with the left side down.
4. Slowly pull the jammed paper out so that the paper does not tear.
5. Align the paper, then reload it in the Cassette.
Reload paper in the Rear Tray, if necessary.
6. Insert the Cassette into the machine again.
7. Plug the machine back in and turn the machine back on.
All print jobs in queue are canceled. Reprint if necessary.
Make sure of the following:
Check 1: Are there any foreign objects around the Paper Output Slot?
Check 2: Are there any foreign objects in the Rear Tray?
If there are any foreign objects in the Rear Tray, be sure to turn off the machine, unplug it from the power supply, then remove the foreign object.
Check 3: Is the Rear Cover closed completely?
Check 4: Is the paper curled?
Alright if that did nothing that means there is a tiny piece or pieces of paper inside the unit on or by a sensor. Basically you can head to walmart and get a cheap canned air and spray it inside all over, you will be suprised how much stuff comes out. Open and/or lift everything that you can possible slide or remove to find any piece of paper at all. It's amazing how a lil piece of paper about the size of an inch could cause this hassle. Usually in these printers, stuff that you can more around or remove from the printer is labeled green.
If you still can't find a paper jam, it is possible that there is another problem causing it, such as a sensor gone bad at the same time. I would recommend getting it serviced by an authorized Canon dealer, as color printers typicall run from 75-100.00 and would be much cheaper to repair than buy again.
I can mostly likely guarantee you that is it a piece of paper. If you are not comfortable enough to unscrew or take it apart an authorized Canon dealer would be happy to look at it for you.
If nothing is working I would advise to look up your warranty info as you may still have a warranty with Canon, I would and always advise people to contact the manufacturer directly to see if they still have a warranty. I know places like Canon and HP were either replacing or sending units out even if out of warranty or giving 50-75% off on services, repair, and new units. I would advise to do that, if they won't assist in helping I would advise to ditch the unit as it can be costly repairing out of pocket and head to walmart / bestbuy and get a new unit.Glad I could be of assistance, god bless and happy holidays! If you need anymore help please ask, otherwise have a good night and god bless! Please accept so I can be compensated for my time/work, also feedback and bonus' are highly appreciated!Kevin
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