HP N8400 manual Troubleshooting, Scanner error messages

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5 Troubleshooting

This section contains solutions for common problems with the scanner.

•Scanner error messages

•Scanner initialization or hardware problems

•Scanner operation problems

•Scanner buttons are not working correctly

•Automatic document feeder (ADF) problems

•Contact HP Support

For additional troubleshooting, see the help for the HP scanning program that you are using. For more information, see Where to get additional information.

Scanner error messages

The scanner displays status and error messages on the scanner front panel. For help responding to a scanner error message, see the appropriate topics below.

Scanner Error Message

ADF Jam – Input Tray

ADF Jam – Clean Out

ADF Jam – Output Tray

Hatch Open

Recovery Process

Clear the jammed paper from the automatic document feeder (ADF) input tray. For instructions, see Clear jams from the ADF in the Troubleshooting section.

Clear the jammed paper from the opening behind the ADF access door. For instructions, see Clear jams from the ADF in the Troubleshooting section.

Clear the jammed paper from the automatic document feeder (ADF) output tray. For instructions, see Clear jams from the ADF in the Troubleshooting section.

Close the automatic document feeder (ADF) hatch. Press down firmly on both sides until you hear a click.

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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 overviewQuick start buttons Power Save buttonScanner hardware Scanner front panel buttonsScan Document To buttons Copy buttonsScanner lamp setting Scanner softwareHP Smart Document Scan Software HP Document Copy Utility HP Scanner Tools UtilityScan Progress Window Click View or print guides Where to get additional informationSetup and Support Guide User GuideHP Scanner Tools Utility help AccessibilityLCD Reader Control of the scanner buttonsScan 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 Clean the scanner glass Care and maintenanceHP Scanner Tools Utility Maintenance tab Order maintenance and scanning suppliesMaintain 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 Scanned image is fuzzy Scanner lamp stays onScanner does not scan right away Scanner scans only one side of a double-sidedScan files are too large Scanned images are not straightVertical white stripes appear on the printed Scanner glass is dirtyButtons 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 correctlyBottom 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 ADFClear 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 ADFChapter 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