PJ-723 FAQs & Troubleshooting PJ-723 Not your product? Sort by Updated Date Popularity 3 Results 1. 12.04.2023 Where can I find my Brother printer's serial number? 2. 05.01.2016 The paper is jammed in the printer. 3. 24.12.2014 Paper does not move through the printer even though the motor is running. Machine FAQs & Troubleshooting