Hi peachton,
To try and resolve the 5100 error on the unit, please follow the steps located here. If you have already tried the recommended methods and are still experiencing difficulty, the printer will require servicing. We ask that you please call 1-866-261-9362, Monday - Friday 10:00 a.m. - 10:00 p.m. ET (excluding holidays) for further assistance. A Canon technical support representative will be happy to help. There is no charge for this call.
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