DCP-T300 FAQs & Troubleshooting DCP-T300 Not your product? Sort by: Updated Date Popularity 5 Results 1. 02/04/2019 (Video) Load A4/Letter paper 2. 08/27/2015 (Video) Load an Envelope 3. 09/26/2013 Load envelopes 4. 07/01/2013 Load paper in the paper tray 5. 06/03/2010 How do I know which side up my photo paper should be in the tray? Product Setup FAQs & Troubleshooting