HP Enterprise Flow N9120 L2683B201 manual Troubleshooting, Scanner LEDs

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4 Troubleshooting

This section contains solutions for common problems with the scanner.

•Scanner LEDs

•Installation troubleshooting

•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 screen for an error
The Attention LED quickly	The Power LED is lit with	message.
blinks amber.	a steady green light.

		Attention condition. Check your computer screen for a
The Attention LED is lit with a	The Power LED is lit with	Maintenance Recommended message.
steady amber light.	a steady green light.

		The scanner is warming up.
The Attention LED slowly	The Power LED is lit with
blinks green.	a steady green light.

		The scanner is in Power Save mode.
	The Power LED is lit with
	a steady, dim amber light.

		The scanner is on and ready to scan.
	The Power LED is lit with
	a steady green light.

		The scanner is scanning an original.
The Attention LED blinks	The Power LED is lit with
green at a medium speed.	a steady green light.

Both LEDs are off.		There is no power to the scanner.

24 Troubleshooting

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Contents HP Scanjet Enterprise N9120/Flow N9120 Copyright and license Trademark creditsContents Product care and support Scanner front panel buttons Use the scannerScanner overview Scanner lamp setting Icon Button name Description CopyLoad original documents Use the automatic document feederHow to load documents Load original documents Load an original on the scanner glass Scan from scanning software How to scanAssociate a quick start button with scanning software Scan from ISIS- or TWAIN-compliant scanning software How to copyScan from HP Smart Document Scan Software View profiles Useful scanner featuresWork with HP Smart Document Scan Software profiles Create profilesFilter out color from a document color dropout Automatically rotate scanned pagesScan extra long documents Disable Misfeed Multipick Detection Use scanner hardware compression for faster scansScan without reviewing Set up and use the imprinterInstall or replace a print cartridge in the imprinter Set up and use the imprinter Test the imprinter Cartridge Status section, click Record ReplacementPosition the imprinter Imprinter tabUse the imprinter Clean the imprinterCartridge Status section, click Clean Imprinter Cartridge Status section, click Test ImprinterClean the automatic document feeder Care and maintenanceOrder maintenance and scanning supplies Clean the automatic document feeder Chapter Clean the scanner glass Clean the scanner fan filtersReplacement HP Scanner Tools Utility scanner maintenance informationMaintenance tab Replace the feed roller and separation padHP Scanner Tools Utility scanner maintenance information Troubleshooting Scanner LEDsCheck the USB connection Installation troubleshootingCheck that the scanner has power Scanner will not turn on Scanner operation problemsUninstall and then reinstall the HP Scanjet utilities Scanner lamp stays onScanned image is fuzzy Scanner does not scan right awayScanner scans only one side of a double-sided Scanned pages are out of order at the scan destinationScanned images are not straight Optimizing scanning and task speedsImage is completely black or completely white Scanned images contain streaks or scratchesScan files are too large Imprinter tab, and then click Clean ImprinterVertical white stripes appear on the printed Imprinter is not printing or the print quality is poorScanner buttons are not working correctly An unexpected program opens when a button is pressedWrong profile is used when the Scan button is pressed Buttons do not workAutomatic document feeder problems Clear a jam from the automatic document feederOpen automatically, gently pry it open Automatic document feeder does not feed paper Bottom of the scanned image is cut offAdditional troubleshooting information Product care and support Maintenance, troubleshooting, and supportPost-warranty period Extending or upgrading your warranty Getting assistanceRegulatory information and product specifications Hewlett-Packard limited warranty statement Materials disposalChapter LED Reader AccessibilityAccessibility features Control of the scanner buttonsChapter Accessibility