Media Inventory Management: When a sensor reading error occurs during media ID mark reading. Please refer to the following manuals for your model. VG3-640/540 Correcting the Reading Sensor SG3-540/300 Correcting the Reading Sensor Related articles Media Inventory Management Media Inventory Management: How to use Media Inventory Management feature What is the difference between True And Fit an image in an Image Box Printer Remote Monitoring and Control Function How to start - setup -- Easy Start