HP N9120 HP Scanjet N9120 User Guide - Page 31

4 Troubleshooting This section contains solutions for common problems with the scanner. • Scanner LEDs • Scanner initialization or hardware problems • Scanner operation problems • Scanner buttons are not working correctly • Automatic document feeder problems • Additional troubleshooting information For additional troubleshooting, see the online help for the scanning software that you are using or visit www.hp.com/support for updated information about the scanner. Scanner LEDs The scanner has two LED lights on the front panel that indicate scanner functions and error conditions. The LED in the shape of an exclamation point (!) is the Attention LED, and the LED in the Power Save button is the Power LED. The table below explains how to interpret the indicator LEDs. LED indications Scanner action or condition The Attention LED quickly blinks amber. The Power LED is lit with a steady green light. Error condition. Check your computer screen for an error message. The Attention LED is lit with a steady amber light. The Power LED is lit with a steady green light. Attention condition. Check your computer screen for a Maintenance Recommended message. The Attention LED slowly blinks green. The Power LED is lit with a steady green light. The scanner is warming up. The Power LED is lit with a steady, dim amber light. The scanner is in Power Save mode. Troubleshooting 29