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The B200 error indicates that the printhead assembly as well as the Logic board has overheated and shorted out. The printhead and logic board needs to be replaced to get everything back to alright.
The printhead and logic board are very expensive, unfortunately the cost of repairs may be more than a new printer itself. If your unit is under warranty then you can get it repaired from CANON free of cost.
I am extremely sorry for giving you a bad news. I just wanted to be completely honest with you.Is there anything else I can help you with ?
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