There is a cartridge door on this model of printer that may give you an error but are you getting a carriage jam error message? Although extensive, this document has videos, pictures, and instructions on how to help you with any of the error messages you are getting.
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This document shows some additional pictures of where you may be experiencing a paper jam that is causing the carriage to jam. I am including this one too so you can visually see all the doors on this printer.
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I really hope this helps you print those pictures for your family. Let me know if I can be of any more assistance.