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HP Officejet 150 Mobile All-in-One Printer Series (L511) - Troubleshooting Print Quality Issues

Issue
The quality of a printed document or photo is not as expected. The procedures in this document should help with streaked or faded printouts, color or black ink not printing, documents with blurred or fuzzy text, ink streaks or smears, and other print quality problems.
  note:
Some of the following solutions require the full HP software. If you did not install the full software when you installed your product, browse to the Get Software and Drivers page, and then download and install the Full Feature software.
Important: You must follow these solutions in the order presented to resolve the issue.
Solution one: Use genuine HP cartridges
HP recommends that you use genuine HP ink or toner supplies. HP cannot guarantee the quality or reliability of non-HP or refilled cartridges. If you do not use genuine HP cartridges, the steps in this document might not resolve the issue. To check the authenticity of your cartridges, go to hp.com/go/anticounterfeit.
Visit HP SureSupply to check ink or toner cartridge compatibility or purchase replacement cartridges and other supplies.
  1. If necessary, select your country/region.
    Figure : Country/region selector
    Selecting your country/region
  2. Follow the on-screen instructions to order new supplies or check cartridge compatibility with your printer.
You can also purchase genuine HP cartridges and supplies from other retailers.
  • If these steps resolved the issue, you do not need to continue troubleshooting.
  • If the issue persists, continue to the next solution.
Solution two: Allow the All-in-One to rest
Sometimes, a period of inactivity can resolve print quality issues. Consider waiting for about 40 minutes, and then try the print job again.
  • If these steps resolved the issue, you do not need to continue troubleshooting.
  • If the issue persists, continue to the next solution.
Solution three: Check the paper
Use the following guidelines to make sure that the paper you are using is appropriate for the print job. If it is not, try printing with an appropriate paper type.
  note:
See the specifications for your product for specific paper types that the product supports.
  • Many papers have printing and nonprinting sides. Load the paper with the print side facing you.
  • Use the correct paper type for the project. For everyday documents, plain paper works well. For documents with dense printing, such as high-contrast graphics or photographs, use HP Advanced paper for the best results.
  • Do not leave photo paper in the tray for more than 5 to 30 minutes. Only leave photo paper in the tray when printing. Store the photo paper in a resealable bag when not in use. If photo paper remains in the tray for too long, a reaction between the paper rollers and the photo paper might occur. This can result in lines or marks on the printed image.
  • If these steps do not help, try a different paper. Ink might not bleed as easily on heavier paper. Paper that does not accept ink well is also prone to bleeding and smearing. HP designs its inks and papers to work together.
  note:
Inappropriate paper usually causes vertical streaks in printouts. Do not replace cartridges to fix vertical streaks.
Examples of horizontal streaks and vertical streaks in the printout
Figure : Horizontal streaks in printout
Image: Horizontal streaks
Figure : Vertical streaks in printout
Image: Vertical streaks
Continue with the following troubleshooting steps if your printout contains horizontal streaks or other print quality issues besides vertical streaks.
Do not replace cartridges for vertical streaks in a printout. Instead, check the paper as described earlier in this document.
After you make sure that the paper is appropriate for your print job, try printing again.
  • If these steps resolved the issue, you do not need to continue troubleshooting.
  • If the issue persists, continue to the next solution.
Solution four: Check the print settings
Follow these steps to make sure that the current print settings are appropriate for your print job.
  1. Return to the document or image that you were trying to print when the issue occurred.
  2. Click File, and then click Print. The Print dialog box opens.
  3. Select your product, and then click Properties. The print Properties dialog box opens.
  4. Click the Features tab.
  5. From the Paper type drop-down menu, select More. The Type is dialog box opens.
  6. Select the paper type that matches the paper you loaded in the product, and then click OK to save your selection.
  7. From the Size drop-down menu, select the paper size that matches the paper you loaded in the product. For example, if you loaded legal paper in the product, select Legal 8.5x14in.
  8. Click OK to apply the settings.
  9. Click OK from the Print dialog box to start the print job.
  • If these steps resolved the issue, you do not need to continue troubleshooting.
  • If the issue persists, continue to the next solution.
Solution five: Check ink levels and replace low or empty cartridges
Follow these steps to check the ink levels on your product, and then replace low or empty cartridges according to the results.
  note:
Ink level warnings and indicators provide estimates for planning purposes only. When an indicator shows low-ink levels, consider having a replacement ink cartridge available to avoid possible printing delays. You do not need to replace ink cartridges until print quality becomes unacceptable.
  1. Load unused, plain, white paper into the tray.
  2. On the product control panel, touch the Right Arrow () to display the second navigation screen.
  3. Touch Ink Status ().
    The Estimated Ink Levels display on the control panel.
    Figure : Example of estimated ink levels
    Image: Example of estimated ink levels.
Solution seven: Replace the problem cartridge
If none of the preceding solutions resolved the issue, replace the cartridge that corresponds to the defect on the test page. For example, if one of the color bars is defective, replace the color cartridge. Follow these steps to replace the problem cartridge.
If you have a defective cartridge or printhead, it might be under warranty. To check the warranty on your ink or toner supplies, go to hp.com/go/learnaboutsupplies, select your country/region, and then review the limited warranty information for your supplies.
  1. Press the Power button () to turn on the product.
  2. Open the front access cover. Wait until the carriage is idle and silent before proceeding.
    Figure : Open the front access cover
    Image: Open the front access cover
  3. Lift the cartridge latch, and then gently remove the cartridge from the carriage.
    Figure : Remove the cartridge
    Image: Remove the cartridge
  4. Remove the new cartridge from its package, and then pull the pink tab to remove the protective tape.
      caution:
    Do not touch the copper contacts on the rear of the cartridge or the ink nozzles on the bottom of the cartridge. Touching the contacts or the nozzles might damage the cartridge.
    Figure : Remove the protective tape from the cartridge
    Image: Remove the protective tape from the cartridge
  5. Insert the cartridge at a slight angle into the carriage slot.
      note:
    Place the tri-color cartridge in the left slot and the black or photo cartridge in the right slot.
    Figure : Insert the cartridge
    Image: Insert the cartridge
  6. Close the cartridge latch. Press the latch down to make sure that it rests flat on the cartridge.
    Figure : Close the cartridge latch
    Image: Close the cartridge latch.
  7. Close the front access cover, and then allow the cartridge initialization process to complete before proceeding.
    Figure : Close the front access cover
    Image: Close the front access cover.
Step two: Align the cartridges
Whenever you install a new cartridge, align the cartridges for the best possible print quality.
  1. Load unused, plain, white paper into the tray.
  2. On the product control panel, touch the Right Arrow () to display the second navigation screen.
  3. Touch Setup ().
  4. Touch Tools, and then touch Align Ink Cartridges. The alignment page prints.
  5. Follow the on-screen instructions to complete the alignment.
Step three: Try to print
Try printing another document, and then check if the print quality is satisfactory.
  • If these steps resolved the issue, you do not need to continue troubleshooting.
  • If the issue persists, continue to the next solution.
Solution eight: Service the All-in-One
  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 completed all the preceding steps and your product still has an issue, you might need further assistance from HP. Go to Contact HP Support to review available service options.

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