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Horizontal Lines on a Copy

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Issue

Horizontal lines appear in a copied document. This issue can occur with copies you printed from the automatic document feeder (ADF) or the scanner glass.

Solution

Follow these steps in the order presented to resolve the issue.

Step one: Clean the printheads

Use the following steps to clean the printheads.
  1. Make sure that there is plain white paper loaded in the input tray.
  2. Open HP Solution Center:
    • Windows XP: Click Start , click All Programs , point to HP , and then click HP Solution Center .
    • Windows Vista: Click the Windows icon ( ), click All Programs , point to HP , and then click HP Solution Center .
    HP Solution Center opens in a separate window.
  3. Click Settings ( ).
  4. Under Print Settings , click Printer Toolbox . The printer Toolbox opens in a new window.
  5. Click the Device Services tab.
  6. Click Clean the Printheads .
  7. Follow the on-screen prompts until you are satisfied with the quality of the output, and then click Done .
    When the cleaning is complete, the product prints a test page.
    Figure 1: Example test page
  8. Recycle or discard the test page.

Step two: Check estimated ink levels

Use one of the following methods to check the estimated ink levels.
NOTE:Ink level warnings and indicators provide estimates for planning purposes only. When an indicator shows low-ink levels, consider having a replacement cartridge available to avoid possible printing delays. You do not need to replace cartridges until print quality becomes unacceptable.

Method one: Check the estimated ink levels from the control panel

  1. Press the Setup button ( ) on the product control panel. The Setup Menu opens.
  2. Press the Down Arrow button ( ) to select Tools , and then press the OK button. The Tools menu opens.
  3. Press the Down Arrow button ( ) to select Display Estimated Ink Levels , and then press the OK button.
    The ink level indicator displays on the control panel.
    Figure 2: Ink level indicator on the control panel
  4. When you are finished reviewing the ink level indicator, press the OK button. The control panel display returns to the Tools menu.
  5. If necessary, press the Home button ( ) to return to the main screen.

Method two: Check the estimated ink levels from HP Solution Center

  1. Open HP Solution Center:
    • Windows XP: Click Start , click All Programs , point to HP , and then click HP Solution Center .
    • Windows Vista: Click the Windows icon ( ), click All Programs , point to HP , and then click HP Solution Center .
    HP Solution Center opens in a separate window.
  2. Click Settings ( ).
  3. Under Print Settings , click Printer Toolbox . The printer Toolbox opens in a new window.
  4. Click the Estimated Ink Level tab.
    The ink level indicator graphic displays on the computer.
    Figure 3: Ink level indicator graphic in printer Toolbox

Step three: Replace low or empty ink cartridges

To purchase cartridges or check cartridge compatibility for your printer, go to HP Home & Home Office Store (US only), and then click Ink Toner & Paper .
If you are located outside of the US, follow these steps to purchase cartridges using HP SureSupply.
  1. Scroll to the bottom of the page and make sure that the country or region location is correct.
  1. Right-click the following graphic, and then click Open Link in a New Window to view a demonstration of replacing the cartridges.
    NOTE:If the demonstration did not display correctly, refer to one of the following methods for help replacing the cartridges:
    • The User's Guide that shipped with your product.
    • The online help files that you installed with the product software. To access the files, click Start or the Windows icon ( ), click All Programs , click HP , click the folder for your product, and then click Help ( ).
  2. Try the copy job again.
  • If these steps resolved the issue , there is no need to continue troubleshooting.
  • If the issue persists , see the next step.

Step four: Clean the scanner glass and scanner backing

Follow these steps to clean the scanner glass and the white scanner-lid backing.
  1. Gather the following materials:
    • Several clean, soft, lint-free cloths
    • Mild glass cleaner
      CAUTION:Use only glass cleaner to clean the scanner glass. Do not use cleaners that contain abrasives, acetone, benzene, and carbon tetrachloride. These chemicals can damage the product. Avoid isopropyl alcohol (rubbing alcohol) as it can streak the glass.
  2. Press the Power button ( ) to turn off the product.
  3. Lift the scanner lid.
    Figure 4: Lift the scanner lid
  4. Spray a clean, soft, lint-free cloth with mild glass cleaner.
    CAUTION:Do not spray the glass cleaner directly on the glass to avoid damaging the scanner.
  5. With the moistened cloth, wipe the scanner glass.
    Figure 5: Wipe the scanner glass
  6. Dry the scanner glass with a fresh cloth.
  7. Wipe the white scanner-lid backing with a fresh cloth.
    Figure 6: Wipe the scanner-lid backing
  8. Close the scanner lid.

Step five: Clean the automatic document feeder (ADF)

Follow these steps to clean the automatic document feeder (ADF).
  1. If the product is not already off, press the Power button ( ) to turn it off.
  2. Remove the input tray from the ADF, and then open the ADF cover.
    Figure 7: Remove the input tray and open the ADF cover
    NOTE:Your product might vary in appearance from the one show in the figure, but the procedure is the same.
  3. Lift the wide, green lever on the pick assembly, and then carefully rotate the pick assembly toward the open ADF cover until it stops.
    Figure 8: Rotate the pick assembly
  4. Lightly dampen a clean, lint-free cloth with distilled water, and then squeeze any excess liquid from it.
  5. Use the damp cloth to wipe any residue off the rollers and the separator pad. If the residue does not come off using distilled water, use a small amount of isopropyl (rubbing) alcohol on the cloth instead.
    Figure 9: Separator pad
  6. Return the pick assembly to its original position.
  7. Close the ADF cover, and then reattach the ADF input tray.
  8. Press the Power button ( ) to turn on the product.

Cause

Clogged cartridges or cartridges that are low on ink can cause this issue. Dust or dirt on the scanner glass, lid backing, or ADF can also contribute to this issue. These conditions might also slow product performance, degrade scan quality, and affect accuracy of special features, such as resizing copies.