Fig. ADF dark streak(s).1
As shown below, the issue may vary in location and appearance. Click a sample image below to see a larger version of it.
Fig. ADF streak(s).1
Fig. ADF streak(s).2
Fig. ADF streak(s).3
Description
The page scanned through the automatic document feeder (ADF 
)has one or more dark streak(s) in the feed (horizontal) direction that extend across the entire page.
Most likely causes
- The ADF glass slit to the left of the flatbed glass (ADF glass window ) has dark contamination on it.
Troubleshooting and suggestions
- View this video about the issue of lines or streaks when scanning/copying .
- To confirm that ADF dark streak(s) is your print quality issue, you need to print a gray test page using Microsoft Internet Explorer by following the steps below.
- Perform the setup page procedure. Show me how.
- Click to display the gray test page and a print dialog window using your computer.
- Click the print button at the bottom of the print dialog window to print the gray test page.
- Use the ADF to make another copy of the gray test page that you printed earlier.
Show me how.
If you are experiencing misfeeds, clean the ADF roller and the ADF pad in the ADF.
Show me how.
- Look at the copy of the gray test page. If the copy of the test page shows ADF dark streak(s) as illustrated above, clean the ADF glass window to the left of the flatbed glass. Show me how.
- Use the ADF to make another copy of the gray test pages that you printed earlier. Show me how. If the issue is not resolved, calibrate the scanner. Show me how.
- Use the ADF to make another copy of the gray test pages that you printed earlier. Show me how.
- If the issue is not resolved, Contact HP.
Please let HP know if this helped you to resolve your issue, and help HP improve service.