HP Enterprise Flow N9120 L2683B201 manual Clean the scanner glass, Clean the scanner fan filters

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8.Wait several minutes for the rollers to dry, and then close the ADF access doors.

9.Reconnect the USB cable and power cable to the scanner, and then press the Power switch to the on position.

Clean the scanner glass

Clean the scanner glass under the following conditions:

Streaks, scratches, or spots appear in images scanned from the scanner glass.

After scanning a document that is dusty or dirty from the scanner glass.

The environment is dusty.

To clean the scanner glass, follow these steps:

1.Press the Power switch to the off position, and then disconnect the USB cable and power cable from the scanner.

2.Open the scanner lid.

3.Clean the glass by using a soft, lint-free cloth that has been sprayed with a mild glass cleaner.

CAUTION: Use only glass cleaner to clean the scanner glass. Avoid cleaners that contain abrasives, acetone, benzene, and carbon tetrachloride, all of which can damage the scanner glass. Avoid isopropyl alcohol because it can leave streaks on the glass.

Do not spray the glass cleaner directly on the glass. If too much glass cleaner is applied, the cleaner could leak under the glass and damage the scanner.

4.Dry the glass with a dry, soft, lint-free cloth.

5.Reconnect the USB cable and power cable to the scanner, and then press the Power switch to the on position.

NOTE: If cleaning the top surface of the glass does not remove all dirt and smudges from the glass, you can also clean the underside of the glass. Cleaning the underside of the glass requires that you disassemble the scanner. For instructions on how to clean the underside of the scanner glass, go to www.hp.com/support.

Clean the scanner fan filters

The scanner includes two customer-accessible fan filters. These filters prevent dust and debris from entering the fans. If the scanner is in a dirty or dusty environment, clean the filters monthly.

For each fan filter, follow these steps:

1.Press the Power switch to the off position, and then disconnect the USB cable and power cable from the scanner.

2.Remove the filter cover.

3.Clean the filter in one of the following ways:

Use compressed air to blow the debris off of the filter.

Use a vacuum to remove the debris from the filter.

Rinse the filter with water.

Clean the scanner fan filters

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Contents HP Scanjet Enterprise N9120/Flow N9120 Trademark credits Copyright and licenseContents Product care and support Scanner front panel buttons Use the scannerScanner overview Icon Button name Description Copy Scanner lamp settingUse the automatic document feeder Load original documentsHow 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 Create profiles Useful scanner featuresWork with HP Smart Document Scan Software profiles View profilesFilter out color from a document color dropout Automatically rotate scanned pagesScan extra long documents Use scanner hardware compression for faster scans Disable Misfeed Multipick DetectionScan without reviewing Set up and use the imprinterInstall or replace a print cartridge in the imprinter Set up and use the imprinter Imprinter tab Cartridge Status section, click Record ReplacementPosition the imprinter Test the imprinterCartridge Status section, click Test Imprinter Clean the imprinterCartridge Status section, click Clean Imprinter Use the imprinterClean the automatic document feeder Care and maintenanceOrder maintenance and scanning supplies Clean the automatic document feeder Chapter Clean the scanner fan filters Clean the scanner glassReplace the feed roller and separation pad HP Scanner Tools Utility scanner maintenance informationMaintenance tab ReplacementHP Scanner Tools Utility scanner maintenance information Scanner LEDs TroubleshootingCheck the USB connection Installation troubleshootingCheck that the scanner has power Scanner lamp stays on Scanner operation problemsUninstall and then reinstall the HP Scanjet utilities Scanner will not turn onScanned pages are out of order at the scan destination Scanner does not scan right awayScanner scans only one side of a double-sided Scanned image is fuzzyScanned images contain streaks or scratches Optimizing scanning and task speedsImage is completely black or completely white Scanned images are not straightImprinter is not printing or the print quality is poor Imprinter tab, and then click Clean ImprinterVertical white stripes appear on the printed Scan files are too largeButtons do not work An unexpected program opens when a button is pressedWrong profile is used when the Scan button is pressed Scanner buttons are not working correctlyClear a jam from the automatic document feeder Automatic document feeder problemsOpen automatically, gently pry it open Bottom of the scanned image is cut off Automatic document feeder does not feed paperAdditional troubleshooting information Getting assistance Maintenance, troubleshooting, and supportPost-warranty period Extending or upgrading your warranty Product care and supportRegulatory information and product specifications Materials disposal Hewlett-Packard limited warranty statementChapter Control of the scanner buttons AccessibilityAccessibility features LED ReaderChapter Accessibility