PR655/PR655C 常見問題&故障排除 PR655/PR655C 不是您的產品嗎? 依…排序 更新日期 使用率 3 結果 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? 中文 錯誤訊息 常見問題&故障排除