TOP > Various Settings of the Product > The [SETTINGS] Menu > [Interface] Menu > [USB] [USB] Set the USB connection. The setting items are as follows: [Flow Control]Set the communication protocol.The options are as follows:• [STATUS4]• [STATUS5]• [NONE][BCC]Enable or disable the BCC check function.Available only if you have selected [STATUS5] in the [Flow Control] menu.[Change USB Serial]Set the type of the USB serial number that the product returns.Returns the USB serial number (00000000).This option is suitable when you want to replace the product without adding a new printer driver.To do so, you need to set this setting to enabled before installing the product.Returns the factory set USB serial number (unique to each product).This option is suitable when you want to set the printer driver for each product. • If two products that have the same USB serial number connected to the same computer, it may cause the computer to show a blue screen error. • A message prompting you to restart the product will appear on the Home screen if you have made any changes. In such a case, reboot the product to apply the settings.Related TopicsSettings Mode Operations Back to top