PJ-723 FAQs & Troubleshooting PJ-723 Not your product? Sort by Updated Date Popularity 3 Results 1. 10/03/2019 What do the indicator lights mean? 2. 01/05/2016 The DATA indicator has turned off even though data remains in the printer. 3. 08/06/2015 Pages are partially printed, and the DATA indicator remains lit or is flashing. Error Messages/LED Indications FAQs & Troubleshooting