Canon / B203
Canon printer error code B203
Canon B203 is commonly tied to printhead, cartridge, or internal hardware trouble. Basic checks are safe, but repeated B203 returns may need service.
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Check in this order
- Power off and unplug for a few minutes.
- Reseat cartridges if the model allows it.
- Check for a stuck carriage or paper scrap.
- Stop repeated resets if B203 returns.
When to stop
Stop repeating print jobs if the same code returns after one clean restart and the physical checks are clear. Repeated jobs can hide the original failure in the queue.
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