If you are looking for how to eliminate the canon printer error code on your own? Do not worry as troubleshooting the Canon printers is facile and canon printer error b200 being a common issue is encountered many times regardless of which printer you are using.
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1.If you are using the multi-purpose tray, close it.
2.Open the front cover while pressing the open button.
3.Remove the toner cartridge.
Immediately place the removed toner cartridge into the original protective bag or wrap it with a thick cloth.
4.Holding the green tab (A), tilt the transport guide toward you.Do not take your hands off the transport guide until it moves back to its original position in Sep 6.
5.Remove the paper by pulling it gently.
Remove the jammed paper as horizontally as possible to prevent unfixed toner from spilling.
6.Move the transport guide back to its original position slowly.
7.Install the toner cartridge.
Push the toner cartridge into the printer firmly until it touches the back of the printer while aligning (A) on both sides of the toner cartridge with the toner cartridge guides inside the printer.
8.Close the front cover.
Repeating dots are usually the result of foreign material on the drum charge roller or toner adhesion (like a little smashed melted blob) on the developer cylinder. You can clean the charge roller with water. To clean the dev cylinder, wipe the toner off the area, then use strong alcohol to clean any area with the little "blob" buildup. Rotate cylinder and repeat for any remaining. You can usually see the area before you wipe it by looking for a darker spot on the dev cylinder than the rest of the coverage area. Copies will look bad at first after cleaning either. Just run about 20 or so copies.
. .Could be it's a blocked or damaged print head.
Failing that try to open the machine then plug in and as the heads moved close the lid after that it worked.Or try turing off machine, Open the printer like you will be inserting ink cartridges, turn on printer, when the cartridge/printhead unit starts to move, close the printer. When I did it it did a self check for 3 to 4 minutes and when it was done it was ready to print.
Don't know if it will be a permanent fix as I don't know why it suddenly stopped working, but it is working now.
Try removing ink cartridge and see if the error goes away. If it does, you have a bad cartridge. Sometimes that happens to new cartridges as well. When your printer shows a b200 error, the ink carrier will not move, so you have to gently move it to where you access cartridge to remove it. This is for all canon printers that have a 2 cartridge ink system. For printers with a removable printhead, see solution below: