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

 

 

 

 

 

 

 

 

 

Error condition. Check your computer

The Attention LED

 

The Power LED is

 

screen for an error message.

quickly blinks amber.

 

lit with a steady green

 

 

 

 

light.

 

 

 

 

 

 

 

 

 

 

 

Attention condition. Check your computer

The Attention LED is lit

 

The Power LED is

 

screen for a Maintenance Recommended

 

 

message.

with a steady amber

 

lit with a steady green

 

 

 

 

light.

 

light.

 

 

 

 

 

 

 

 

 

 

 

The scanner is warming up.

The Attention LED

 

The Power LED is

 

 

slowly blinks green.

 

lit with a steady green

 

 

 

 

light.

 

 

 

 

 

 

The scanner is in Power Save mode.

 

 

The Power LED is

 

 

 

 

lit with a steady, dim

 

 

 

 

amber light.

 

 

 

 

 

 

 

Troubleshooting 29

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Hitachi N9120 manual Troubleshooting, Scanner LEDs

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