HP N8400 manual Clean the ADF window

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5.Click the Clean button to feed the cloth through the scanner.

CAUTION: Wait two minutes for the components to dry before proceeding to the next step.

6.Place up to five pages of printed paper in the ADF. Scan and view the results.

7.If streaks still appear, repeat steps 3 through 6. The cleaning cloth can be cycled through the ADF up to five times.

Clean the ADF window

If streaks exist on scanned images, cleaning the ADF window might solve the problem. Use the following steps to clean the ADF window.

To order more HP paper-path cleaning cloths, go to www.hp.com/support. To clean the ADF window, follow these steps:

1.Open the scanner lid.

2.Locate the ADF access door on the underside of the ADF.

3.Press the tabs on the door, and then pull the door toward you until it detaches from the ADF.

Maintain the automatic document feeder (ADF)

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Contents HP Scanjet N8400 series Trademark credits Copyright and licenseContents Advanced technical features TroubleshootingWhat you can do with the scanner Scanner overviewScanner hardware Power Save buttonScanner front panel buttons Quick start buttonsScan Document To buttons Copy buttonsScanner lamp setting Scanner softwareHP Smart Document Scan Software HP Document Copy Utility HP Scanner Tools UtilityScan Progress Window Setup and Support Guide Where to get additional informationUser Guide Click View or print guidesLCD Reader AccessibilityControl of the scanner buttons HP Scanner Tools Utility helpScan and Copy Basic scanning stepsBasic copying steps Load originals Place an original on the scanner glassLoad paper into the document feeder Scan from HP Smart Document Scan Software Scan from the scanner front panel buttonsScan with one button press Scan from other software programsSet up an HP Smart Document Scan Software profile Set up scan profilesAssign profiles to quick start buttons Choose profiles for display on the scanner front panelClick Continue Import and export profiles HP Scanner Tools Utility Maintenance tab Care and maintenanceOrder maintenance and scanning supplies Clean the scanner glassMaintain the automatic document feeder ADF Clean the paper pathClean the ADF window Clean the feed roller Maintain the automatic document feeder ADF Chapter Replace the feed roller and separation pad Remove the automatic document feeder from the scannerChapter Scanner error messages TroubleshootingChapter Scanner does not start Scanner initialization or hardware problemsScanner operation problems Scanner has stopped working correctlyScanner will not turn on Scanner does not scan right away Scanner lamp stays onScanner scans only one side of a double-sided Scanned image is fuzzyVertical white stripes appear on the printed Scanned images are not straightScanner glass is dirty Scan files are too largeWrong profile is used when a quick start button is pressed An unexpected program opens when a button is pressedScanner buttons are not working correctly Buttons do not workPaper jamming, skewing, misfeeds, or multiple-page feeds Automatic document feeder ADF problemsPaper does not feed from the ADF Bottom of the scanned image is cut offAn item loaded in the ADF jams repeatedly Scanned images have streaks or scratchesClear jams from the ADF Clear a jam from the start of the paper pathChapter Clear a jam at the end of the paper path Remove a paper jam within the ADF Contact HP SupportLong pages Advanced technical featuresPage ADF Index