Maintain the automatic document feeder ADF

To clean the feed roller, 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 ADF hatch.

3.Lift the green lever to raise the feed roller to the vertical position.

Maintain the automatic document feeder (ADF)

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Image 23

HP N8400 manual Maintain the automatic document feeder ADF

Contents

HP Scanjet N8400 series Trademark credits Copyright and license Contents Advanced technical features Troubleshooting What you can do with the scanner Scanner overview Quick start buttons Power Save buttonScanner hardware Scanner front panel buttons Scan Document To buttons Copy buttons HP Smart Document Scan Software Scanner lamp settingScanner software Scan Progress Window HP Document Copy UtilityHP Scanner Tools Utility Click View or print guides Where to get additional informationSetup and Support Guide User Guide HP Scanner Tools Utility help AccessibilityLCD Reader Control of the scanner buttons Basic copying steps Scan and CopyBasic scanning steps Load paper into the document feeder Load originalsPlace an original on the scanner glass Scan from HP Smart Document Scan Software Scan from the scanner front panel buttons Scan with one button press Scan from other software programs Set up an HP Smart Document Scan Software profile Set up scan profiles Click Continue Assign profiles to quick start buttonsChoose profiles for display on the scanner front panel Import and export profiles Clean the scanner glass Care and maintenanceHP Scanner Tools Utility Maintenance tab Order maintenance and scanning supplies Maintain the automatic document feeder ADF Clean the paper path Clean 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 scanner Chapter Scanner error messages Troubleshooting Chapter Scanner does not start Scanner initialization or hardware problems Scanner will not turn on Scanner operation problemsScanner has stopped working correctly Scanned image is fuzzy Scanner lamp stays onScanner does not scan right away Scanner scans only one side of a double-sided Scan files are too large Scanned images are not straightVertical white stripes appear on the printed Scanner glass is dirty Buttons do not work An unexpected program opens when a button is pressedWrong profile is used when a quick start button is pressed Scanner buttons are not working correctly Bottom of the scanned image is cut off Automatic document feeder ADF problemsPaper jamming, skewing, misfeeds, or multiple-page feeds Paper does not feed from the ADF Clear a jam from the start of the paper path Scanned images have streaks or scratchesAn item loaded in the ADF jams repeatedly Clear jams from the ADF Chapter Clear a jam at the end of the paper path Remove a paper jam within the ADF Contact HP Support Long pages Advanced technical featuresPage ADF Index