If my Canon LBP-2900 is showing an 'Error 4' after a firmware update, what should I do?

By: USER7373
31 Agustus 2025 Support 5 minutes
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Question

Grade: Education Subject: Support
If my Canon LBP-2900 is showing an 'Error 4' after a firmware update, what should I do?
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Best Answer
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An 'Error 4' after a firmware update can sometimes indicate a corrupted firmware file or a problem with the update process. Try downloading the firmware again from the Canon website and attempting the update process from scratch. Ensure you have a stable internet connection during the update.
Answered on 31 Agustus 2025

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