HP LaserJet Enterprise MFP, HP PageWide Enterprise MFP, HP Managed MFP - Vertical lines or streaks when copying or scanning from the ADF

Follow these steps to determine if the issue occurs when using the ADF glass or the flatbed scanner glass.

1. Make a blank copy using the ADF and mark it "ADF."

2. Make a blank copy using the flatbed scanner glass and mark it "flatbed."

3. Look at the blank copies for the presence of lines or streaks, and then proceed with one of the following actions based on your findings:

   • If the issue is visible on the copy marked "ADF," proceed to Step two: Clean the ADF glass and white strip on the underside of the scanner lid in this document.

   • If the issue is visible only on the copy marked "flatbed," use a soft, lint-free cloth moistened with water to clean the flatbed glass and lid backing.

     The following video demonstrates how to clean the scanner glass and white backing.

     

     How to fix lines & streaks in scans | HP Color LaserJet Pro multi-function printers

     Learn how to resolve image quality issues, such as lines or streaks, when scanning and copying from the document feeder on the HP Color LaserJet Pro multi-function printer series.
     Note:

     If needed, lens cleaner or nonabrasive glass cleaner can be applied to the cloth before cleaning the glass. Spray only onto the cloth and not directly onto the glass or printer. Do not spray water or glass cleaner on the glass as it can seep under it and possibly damage the printer.

     Do not use abrasives, acetone, benzene, ethyl alcohol, or carbon tetrachloride on the glass; these can damage it and/or leave residue on the glass resulting in degraded copy/scan quality.

     Flatbed glass and lid backing

     

Follow these steps to clean the ADF glass and white strip on the underside of the scanner lid.

1. Open the scanner lid and locate the one-inch strip of glass to the left of the main scanner flatbed glass.

   ADF glass and white strip

   

2. Use a soft, lint-free cloth moistened with water to clean the ADF glass. Some models use an upper ADF glass similar to the lower one. In this case, perform this cleaning step for both the lower and upper ADF glass.

   Note:

   If needed, lens cleaner or nonabrasive glass cleaner can be applied to the cloth before cleaning the glass. Spray only onto the cloth and not directly onto the glass or printer. Do not spray water or glass cleaner on the glass as it can seep under it and possibly damage the printer.

   Do not use abrasives, acetone, benzene, ethyl alcohol, or carbon tetrachloride on the glass; these can damage it and/or leave residue on the glass resulting in degraded copy/scan quality.

3. On the underside of the scanner lid above the strip of ADF glass, use a soft, lint-free cloth moistened with water to clean the upper white strip and metal strip (if applicable). In some cases, this is a glass strip similar to the ADF glass.

   Note:

   Do not scrub or use paper-based wipes as this can scratch the surface.

4. If the white strip does not come clean, try again using isopropyl alcohol, and then wipe the surface thoroughly with a damp cloth to remove any residual alcohol.

5. Dry the ADF glass and upper strip with a soft, dry cloth to prevent spotting and then try again to copy or scan.

   If the issue persists, continue to Step three: Isolate the location of the debris on the ADF glass.

Follow these steps to isolate the location of the debris on the ADF glass.

1. Place a blank sheet of paper in the ADF and mark an "X" in the lower right corner (as shown below).

   Load a blank page with an "X" marked in the lower right corner into the ADF

   

2. Press the Start button to make a copy of the blank page.

3. Place the copied paper face-up on the flatbed glass with the "X" located in the lower right corner (as shown below).

   Note:

   Make sure the upper left corner of the copy is aligned with the upper left corner of the flatbed glass.

   Place the copied page face-up on the scanner glass with the "X" in the lower right corner

   

4. Follow the line or streak on the paper to the area on the ADF glass that is causing the issue.

   Follow the line or streak on the page to the area on the ADF glass strip

   

5. Use a fingernail to loosen any stubborn debris.

   Note:

   Use only a fingernail. Other objects can scratch the ADF glass.

6. Clean this specific area on the ADF glass again and then dry it with a soft, lint-free cloth.

   Clean and dry the area on the ADF glass

   

7. Try again to copy or scan.

Follow these steps to clean or replace the Mylar strip.

1. Open the scanner lid.

2. Clean the mylar strip.

   1. On the underside of the scanner lid near the white strip, press the two tabs at the top and bottom of the ADF-guide cover to release it.

      Release the ADF-guide cover

      

   2. Lift the ADF-guide cover and locate the clear Mylar strip (transparent sheet).

   3. Carefully unhook the Mylar strip from the four tabs on the ADF-guide cover, and then remove the Mylar strip.

      Remove the Mylar strip; ADF tabs circled

      

   4. If it is difficult to remove the Mylar strip, pull the ADF-guide cover hinges off the hinge pins to first remove the ADF-guide cover.

      Remove the ADF guide; Hinge pins circled

      

   5. Gently clean the Mylar strip with a soft, lint-free cloth that is slightly moistened with water only.

   6. Gently dry the Mylar strip with a soft, lint-free cloth.

   7. Reinstall the Mylar strip, close the ADF lid, and then try again to copy or scan.

      Note:

      The clear Mylar strip is keyed with a small notch at the top. Make sure to align the notch with the round pin that is on the holder.

      Reinstall the Mylar strip

      

3. If the issue persists after cleaning, follow these steps to replace the Mylar strip:

   1. On the underside of the scanner lid, locate the envelope containing replacement strips behind the white backing.

      Note:

      Typically, units are shipped with several replacement Mylar strips. If the envelope is not present, contact HP to order the replacement strips (Part number: Q6496A).

      Locate the replacement Mylar strips behind the white backing

      

   2. Release and remove the ADF-guide cover, and then remove the Mylar strip by repeating the steps listed above.

   3. Replace the Mylar strip with a new one from the envelope.

      Note:

      The clear Mylar strip is keyed with a small notch at the top. Be sure to align the notch with the round pin that is on the holder.

      Install a replacement Mylar strip

      

   4. When the new Mylar strip is securely in place, reinstall the ADF-guide cover.