Canon error B200, explained honestly
B200 is one of Canon's hardware fault codes: the printer detected a print head voltage or temperature problem. Honesty matters with this one. Unlike jams and queue errors, B200 usually means the print head itself is failing or has failed, and no sequence of button presses manufactures a spare. There are two legitimate things to try (a full power reset and reseating the head where the design allows), because dirty contacts and a latched fault occasionally produce a false B200.
The fix, in order
- Do a full power reset. Turn the printer off, unplug it from power for at least 10 minutes, then plug it directly into a wall outlet and turn it on. This discharges the electronics fully and clears a latched fault state, which a quick restart does not.
- Check the cartridges are seated. Open the cover, confirm every ink tank is pressed down and clicked into place, and close the cover properly. A badly seated tank can disturb the head's electrical contact enough to trip the fault.
- Reseat the print head, only on models designed for it. Many Canon inkjets let the head unit lift out after removing the tanks. If the model supports it, remove and refit the head carefully, and wipe its contact plate gently with a dry lint-free cloth before refitting. If the head is not user-removable on the model, skip this step rather than forcing anything.
- Look for ink leakage or damage. While the head is out, check for pooled ink, scorched contacts, or a cracked carriage. Any of those ends the home repair: the head or carriage needs replacement parts.
- Price the print head before buying one. A replacement Canon print head often costs a large fraction of a new printer. Compare the head's price and the printer's age; on an older printer, replacement of the whole unit is frequently the rational spend, even though the printer is otherwise sound.
If it still happens
If B200 appeared right after refilling tanks or fitting remanufactured cartridges, a leaking or electrically faulty cartridge can be the trigger; testing with a set of standard cartridges is a fair final check before condemning the head. What will not help: firmware downloads from unofficial sites, which Canon does not publish for this purpose and which cannot repair a voltage fault.
Common questions
Is B200 always a dead print head? Not always, but usually. Power resets and reseating fix a minority of cases where the fault was a dirty contact or a latched error. When those fail, the evidence points at the head itself.
Can cleaning the print head fix B200? Cleaning fixes clog-related codes, where ink cannot flow. B200 is electrical (voltage or temperature), so cleaning nozzles does not address it; contact cleaning during a reseat is the only cleaning with a plausible effect.
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