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Why is my HP printer printing horizontal lines?

Author

William Rodriguez

Published Jan 18, 2026

The streaks or lines might be caused due to low ink levels in one or both ink cartridges. Check the ink levels using the HP Toolbox to determine if the ink cartridges are low on ink and need to be replaced.

Why is my printer printing horizontal lines?

By far the most common problem with inkjet printers is poor print quality. Usually, these problems manifest themselves in the form of horizontal white lines running through each line of print. These white lines are caused by clogged nozzles that aren't dispensing ink.

Why is my HP printer printing horizontal lines on pictures?

Horizontal lines could be because of cartridge please remove and clean cartridge and try printing again.

How do I fix white horizontal lines when printing?

Run a nozzle check to see if any of the print head nozzles are clogged. Then clean the print head, if necessary. Make sure the paper type setting matches the type of paper you loaded. Make sure you loaded the printable side of the paper correctly for your product.

How do I remove horizontal lines from my printer?

The most common fix to remove lines and shading on your print jobs

  1. Pull the print cartridge out.
  2. Look to see if there is a line on the imaging drum of the print cartridge. ...
  3. Replace the defective print cartridge with a new one.
  4. Place the print cartridge back in the machine.
16 related questions found

How do I get rid of the horizontal lines on my HP printer?

HP Deskjet D2500 Printer Series - Horizontal Streaks or Lines in the Printed Image

  1. Step one: Wait 30 minutes. ...
  2. Step two: Check ink levels and replace low or empty ink cartridges. ...
  3. Step three: Check the print settings. ...
  4. Step four: Run the automatic utility to clean the ink cartridges. ...
  5. Step five: Print a diagnostic page.

How do I clean the printhead on my HP printer?

Here's a quick rundown of how you can clean your printer head from the HP experts:

  1. Run the “Clean Printhead” function from your computer.
  2. If the above step doesn't work, open the cover of your printer and then unplug it from the electrical outlet.
  3. Remove each ink cartridge and clean the contacts with a cloth.

Why am I getting lines through my printing?

Streaks and unwanted lines could mean that the printer heads are out of alignment. There's an alignment tool in the printer's control panel. If that's not the issue then the printer is dirty. Printer ink stripes may appear along the edges of the paper, which means there's ink on the rollers and other parts.

Why is my printer putting lines through everything?

If your print-outs are streaky, faded, have lines on them that should not be there, or are otherwise poor in quality, this may be due to a problem with the printer or a low ink or toner supply. You may be running out of ink or toner. Check your ink or toner supply and buy a new cartridge if necessary.

Why is my HP printer not printing properly?

To resolve most print quality issues, use genuine HP cartridges, and in some cases, you might need to allow the printer to complete the automatic servicing routine. Check the paper and print settings to make sure that they are correct for the print job, and clean the cartridges and printhead.

How do you unclog a print nozzle?

If they're on the cartridge, and the cartridge is mostly empty, you can just replace it. The new nozzles will obviously be unclogged. Seriously clogged nozzles can be cleared with some isopropyl alcohol and another run through the clean cycle.

Why is my HP printer printing lines?

HP Photosmart printers may print images with white lines or single color streaks. This issue can be caused by ink that has dried in the ink nozzles or by debris that is blocking the ink nozzles. The ink cartridges and the and printer cradle should be cleaned.

How do you fix lines when printing?

How to fix white lines when printing

  1. Run the clean program on your printer. White lines will typically start appearing on your print outs due to a clogged up printer head. ...
  2. Remove the ink cartridge for cleaning yourself. If the cleaning program was unsuccessful, don't panic. ...
  3. Extra tips for fixing your printer.

How do I clean the rollers on my HP printer?

Cleaning the paper feed rollers

  1. Turn off the all-in-one and unplug the power cord.
  2. Remove the rear access door.
  3. Clean each roller using a clean lint-free cloth lightly moistened with water (distilled water preferred).
  4. Rotate the rollers to clean the entire surface.

Can you manually clean a printhead?

You can clean the printhead either manually or from your printer or computer. Before you start, you'll want to perform a nozzle check to ensure your printhead needs cleaning, as this will save ink.

How do I clean a clogged HP printhead?

Take a warm damp paper towel or coffee filter and blot the cartridge with the printhead facing down onto the paper towel. This will remove any dried ink on the printhead. Then, hold the cartridge with the printhead facing down against a dry paper towel for 2-3 minutes. A dry paper towel will wick the ink out.

Why is my printer not printing when the ink is full?

There are numerous possible causes for a printer that's randomly producing blanks. The most common ones are empty ink cartridges, improper cartridge installation, and congested nozzles. Driver and software issues can sometimes cause this problem as well.

Why is my HP printer printing vertical lines?

Vertical lines in prints are an early warning sign of a low ink cartridge, which may show up before the printer's low ink alerts start. You can fix the problem by replacing the low cartridge. Gently shaking the drained cartridge a bit may help to get another few prints out of it without vertical lines.

What is a horizontal line?

A horizontal line is one that goes from left to right across the page. This is because horizontal lines are parallel to the horizon. This fact can help children to remember the meaning of horizontal lines. It comes from the word “horizon”, which refers to the visible line that separates the earth from the sky.

Why is my printer printing horribly?

Printers may produce poor quality printing if they are exposed to too much heat. Don't place your printers in a high temperature area or near other devices that produce excess heat. In addition, keep them away from windows, where heat and humidity can be high.

How do I diagnose my HP printer problems?

Run HPPSdr.exe from the download location on your computer. Once HP Print and Scan Doctor is open, click Start, and then choose your printer. If your printer is not listed, turn it on and click Retry. If there is a connection problem, follow the instructions in the tool.

How can I improve the print quality on my HP printer?

Improve print quality

  1. Print from a different software program.
  2. Check the paper-type setting for the print job.
  3. Check ink cartridge status.
  4. Clean the product.
  5. Visually inspect the ink cartridge.
  6. Check paper and the printing environment.
  7. Calibrate the product to align the colors.
  8. Check other print job settings.