PR655/PR655C FAQs & Troubleshooting PR655/PR655C Not your product? Sort by Updated Date Popularity 3 Results 1. 02/10/2018 "Preventive maintenance is recommended" message appears on the LCD. What does it mean? 2. 29/07/2016 "OK to separate the combined border pattern?" message appears on the LCD. What does it mean? 3. 29/07/2016 "USB media error" message appears on the LCD. What does it mean? Error messages FAQs & Troubleshooting
