HP N8400 Scanned images have streaks or scratches, An item loaded in the ADF jams repeatedly

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The scanned images have streaks or scratches

After each step, try another scan to see if the streaks or scratches are still apparent. If so, then try the next step. For information on cleaning the scanner, see the Care and maintenance section.

1.Check that the originals are clean and unwrinkled.

2.Clean the scanner glass.

3.Use a cleaning cloth in the ADF.

4.Clean the feed roller.

5.Clean the ADF window.

An item loaded in the ADF jams repeatedly

•The item does not meet the guidelines for the ADF. For more information, see Load originals.

•The item might have something on it, such as staples or self-adhesive notes on the original that must be removed.

•Make sure the paper guides touch the edges of the original.

•If jams occur frequently, perform document feeder maintenance. For information on the following tasks, see Care and maintenance .

•Clean the ADF.

•If the problem persists, clean the feed roller.

•If the problem persists, replace the feed roller.

Clear jams from the ADF

If the ADF jams, the scanner display indicates where the jam occurred.

Before you contact HP Support for help to resolve jams in the scanner feeder, do all of the following:

•Follow all of the procedures that are described in this section.

•Inspect your originals to be sure that they are in good condition, they are not sticking together, and they are free from foreign objects such as staples, paper clips, or self- adhesive papers.

•Inspect the entire paper path to ensure that no foreign objects are caught in the feeder.

•Clean the feed roller as described in Care and Maintenance.

•Inspect the separation pad and the feed roller. Replace any damaged parts.

Clear a jam from the start of the paper path

1.Remove any loose pages from the ADF input tray. Remove the input tray from the ADF.

2.Open the ADF hatch.

Automatic document feeder (ADF) problems

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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 buttonsHP 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 GuideHP Scanner Tools Utility help AccessibilityLCD Reader Control of the scanner buttonsBasic 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 buttonsScan with one button press Scan from other software programsSet up an HP Smart Document Scan Software profile Set up scan profilesClick 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 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 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-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