Canon / 7700
Canon printer error code 7700
Canon 7700 can indicate an internal printer error. Treat it as a serious hardware or service state after basic obstruction checks.
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Check in this order
- Restart once.
- Check for blocked carriage movement.
- Remove external USB devices if present.
- Contact service if the code returns at startup.
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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