HP Jetdirect 380x HP Wireless Print Server 380x - (English) Setup Guide - Page 49

USB Light Behavior Description Off USB is not operational. This is OK before the print server finishes starting up. After startup completes, this could indicate a faulty print server. On solid green USB is enabled and ready for use. This begins before the USB cable is connected. Blinking -green Software fault occurred for the firmware. There is a valid USB device and connections, but the device is not supported. Make sure the attached device is a printer. Might be a hardware fault (for example, a short-circuit, faulty cable, or a printer drawing too much power). To verify, disconnect the USB cable at the print server. Switch on the printer if it is off. Power cycle the print server (unplug it and plug it back in). Then reconnect the USB cable. If the USB light is now green and steady, then no problem remains. Blinking -amber Otherwise, if the USB light is still blinking amber, then there may be a faulty component. Try these steps to determine which component might be causing the problem: z Detach the USB cable and power cycle the print server (unplug it and plug it back in). If the USB light is green and steady, then the print server is OK. If it is blinking amber, then the print server is faulty. z Try reconnecting the USB cable to the print server only, and power cycle the print server (unplug it and plug it back in). If the USB light is green and steady, then the cable is also OK. If it is blinking amber, then the cable may be faulty. z Power cycle the printer and reconnect the USB cable to the printer. If the USB light is green and steady, then the printer is also OK. If it is blinking amber, then the printer may be faulty. Troubleshooting Problems 5-3