The Canon Pixma G4210 printer error code B200 can be caused by many issues. Still, the Canon Pixma G4210 error code B200 typically happens when the print head is faulty or misaligned. To fix the Canon Pixma G4210 error code B200, you’ll need to replace the print head and then align it, so it prints clearly again. Suppose you don’t want to deal with taking apart your printer and putting it back together again. In that case, it’s best to take it to a local shop or send it to Canon under warranty. If you’re still having problems with your Canon Pixma G4210 showing the error code B200, the printer needs to be serviced or cleaned.