Print | Rate this content

HP Officejet Pro 8000 (A809a) and 8000 Wireless (A809n) Printers - Poor Print Quality Immediately after Setup, an Extended Idle Period, or after Printhead Replacement

This document is for the HP Officejet Pro 8000 (A809a) and 8000 Wireless (A809n) printers.

After the initial printer setup, print quality is poor. This issue can also occur if the printer is used infrequently or not at all for a prolonged period, or after replacement printheads are installed. Black text prints poorly, and printouts might have horizontal streaks or lines.

Solution one: Use genuine HP cartridges

HP recommends that you use genuine HP cartridges. HP cannot guarantee the quality or reliability of non-HP cartridges or refilled HP cartridges. If you do not use genuine HP cartridges, the following solutions might not resolve your print quality issue.

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. Go to HP SureSupply .

  2. Scroll to the bottom of the page and make sure that the country/region location is correct.

Genuine HP cartridges can also be purchased from other retailers.

Which cartridges you use might depend on your country/region. Follow these steps to purchase cartridges or check cartridge compatibility for your printer using HP SureSupply.

  1. Go to HP SureSupply .

  2. Scroll to the bottom of the page and make sure that the country/region location is correct.

NOTE: For the United States only, go to the HP Home & Home Office Store .

Genuine HP cartridges can also be purchased from other retailers.

Solution two: Align the printer

Make sure paper is loaded in the input tray and then follow these steps to align the printheads through the HP software.

  1. Open HP Solution Center:

    • Windows XP: Click Start, click All Programs, click HP, and then click HP Solution Center.

    • Windows Vista: Click the Windows icon (), click All Programs, click HP, and then click HP Solution Center.

    HP Solution Center opens in a new window.

  2. Click Settings (), and then click Printer Toolbox. The printer Toolbox opens.

  3. Click the Services tab, and then click Align the Printheads.

  4. Follow the on-screen instructions to align the printheads. An alignment page prints when the process completes.

Solution three: Clean the printheads

  1. Open HP Solution Center:

    • Windows XP: Click Start, click All Programs, click HP, and then click HP Solution Center.

    • Windows Vista: Click the Windows icon (), click All Programs, click HP, and then click HP Solution Center.

    HP Solution Center opens in a new window.

  2. Click Settings (), and then click Printer Toolbox. The printer Toolbox opens.

  3. Click the Services tab, and then click Clean the Printheads.

  4. Click Clean to begin the cleaning process, and then follow the on-screen instructions to complete the process. A test page prints after the cleaning process completes.

    Figure 1: Test page

Solution four: Replace the printhead

Follow these steps in the order presented to print a Print Quality Diagnostics report, determine the problem printhead, and then replace the problem printhead.

Step one: Print a Print Quality Diagnostics report

Follow these steps to print a Print Quality Diagnostic report.

  1. Open HP Solution Center:

    • Windows XP: Click Start, click All Programs, click HP, and then click HP Solution Center.

    • Windows Vista: Click the Windows icon (), click All Programs, click HP, and then click HP Solution Center.

    HP Solution Center opens in a new window.

  2. Click Settings (), and then click Printer Toolbox. The printer Toolbox opens.

  3. Click the Services tab, and then click Print a PQ (Print Quality) Diagnostic Page. The Print Quality Diagnostic report prints.

    Figure 2: Print Quality Diagnostic report

Step two: Determine the problem printhead

Examine the color blocks labeled Test Pattern 2.

The color block with the white, horizontal streaks indicates the problem printhead. Use the guidelines in the following guidelines to determine which printhead to replace:

Condition
Action
The black color block shows white horizontal lines
Replace the Black/Yellow (KY) printhead
The cyan (blue) color block shows white horizontal lines
Replace the Magenta/Cyan (MC) printhead
The magenta color block shows white horizontal lines
Replace the Magenta/Cyan (MC) printhead
The red color block shows white horizontal lines
Replace the Black/Yellow (KY) printhead
The green color block shows white horizontal lines
Replace the Black/Yellow (KY) printhead

Step three: Replace one or both printheads

After you determine the problem printhead(s), follow these steps to install one or both of the replacement printheads.

Video of replacing the printheads

The following video demonstrates how to install and replace ink cartridges and printheads.

NOTE: The video shows the HP Officejet Pro 8000. The outside of the product might not look the same as your product, but the steps are the same.

.

If you have trouble viewing the video, or to view the video in a different size, click here to play the video on YouTube Non-HP site .

  1. Lift the top cover of the printer.

  2. If the carriage does not move to the left automatically, press and hold the Resume () button until the carriage moves to the left. Wait for the carriage to stop moving.

  3. Lift the printhead latch.

    Figure 3: Lifting the printhead latch

  4. Lift the handle of a printhead and use it to pull the printhead out of its slot.

    Figure 4: Removing the printhead

  5. Before installing a printhead, shake the printhead up and down at least six times while the printhead is still in its package.

    Figure 5: Shaking the new printhead

  6. Remove the new printhead from its package and then remove its orange protective caps.

    Figure 6: Removing the protective caps

  7. Insert the printhead into its color-coded slot. The label on the printhead must match the label on the printhead latch. Press down firmly on the printhead until it snaps into place.

    Figure 7: Inserting the new printhead

  8. Pull the printhead latch all the way forward, and then press down to make sure that the latch engages. You might have to apply some pressure to engage the latch.

    Figure 8: Closing the printhead latch

  9. Close the top cover of the printer.

  10. Wait for the product to align the printheads and print one or more alignment pages.

Solution five: Service the printer

NOTE: Keep a print sample that shows the problem. If the ink cartridges, printhead, or printer is replaced under warranty, the support agent will request the print sample. If the printer is returned to HP, the print sample must be returned with the printer. Place the sample in the output tray when you package your printer for shipping.

Contacting HP for service in Asia Pacific.

If you have completed all the preceding steps and are still experiencing a problem, you may need further assistance from HP to remedy your concern.

Please contact HP using one of the options found at Contact HP to obtain service.

Contacting HP for service in all countries/regions except Asia Pacific.

If you have completed all the preceding steps and are still experiencing a problem, service the product.

Determine if your product is in warranty or out of warranty. If you need help determining your product’s warranty status, go to HP’s Warranty Check Tool .

  • If your product is in warranty, Contact HP to obtain service.

  • If your product is out of warranty, Contact HP to find an authorized service provider or to setup service (fees might apply).

Provide feedback

Please rate the information on this page to help us improve our content. Thank you!