How to Fix Printer printing Vertical Black Lines?

Printer Printing Vertical Black Lines

Are you facing trouble with your printer? The printer itself gives a sigh of relief when it works properly. But as soon as it starts showing any error, it becomes a headache. HP printer printing vertical Black lines is one of those problems. Don’t worry! We are here with a helping hand and solve all your printer related query. In this blog, we will explore the vertical black lines issue, root causes of it and provide step-by-step troubleshooting techniques for a hassle-free printing experience.

What Does Printer Printing Vertical Black Lines Mean?

Before addressing your question, why is my printer printing vertical black lines? Let’s first take a brief look at the problem i.e., what the actual vertical black lines problem is. Printer Printing vertical black lines problem refers to when your printed document gets noticeable black lines running vertically down the page. These are the unwanted black lines that make your printing copies look bad. Several factors could be a reason for this problem. There is not as such one fixed main reason behind it. Let’s have a look on all the factors and the troubleshooting techniques to resolve it.

Why Is My Printer Printing Vertical Black Lines?

As we discussed above, there may be several compelling reasons that arises HP Printer Printing Vertical Black Lines Issue. Let’s delve into each and every factor and get the actual sense of the problem. The root causes that lead to vertical black lines issue are mentioned below.

  • Dirty rollers: Dirt and dust accumulation on the rollers or the transfer might be the reason behind this issue.
  • Paper quality: Low quality and damaged paper could also be a reason for this issue. Experts suggest using official printing material as cheaper alternatives don’t provide the quality of work.
  • Clogged printheads: Inkjet printers consist printhead that get blocked because of dried ink or dust. Obstructed printheads nozzles result in uneven inflow that eventually leads to vertical black line issue on the print copies.
  • Incorrect print setting: The vertical black lines issue might result from incorrect print settings for paper type, alignment, or print quality. Poor print quality, specifically vertical lines, can be caused by incorrect printer settings.
  • Damaged and Uncleaned Cartridges: Cartridges that are worn out or damaged can probably leak ink onto the paper. As a result, black vertical lines on printed pages may appear. Uncleaned ink nozzles are also a vital factor contributing to this issue

To effectively diagnose and resolve the HP printer printing vertical black lines issue, the root cause must be determined. Users can take the necessary actions based on the suspected cause to fix the problem and get back to their normal printing work.

Troubleshooting Techniques To Fix Vertical Black Lines Issue

1.Clean the roller: Rollers, which are made of soft rubber, move the paper within the printer so that the print may be generated. However, even a small amount of dust in this area might cause black lines to show up on the prints. The best course of action in this case is to gently wipe the rollers using a lint-free cloth.

2.Replace the drum: This is more relevant to laser printers because they sort the print onto the paper using a drum. However, even a microscopic amount of dust on the drum might result in black lines. Consequently, the print misses the area where the dust lies. If replacing a drum is a feasible option for you, then do it. 

3.Check the printer setting: Sometime vertical black lines problem happens due to the absence of proper setting. To ensure a good quality of printing consider the following suggestions mentioned below.

  • Access Printer Settings
  • Check Print Quality Settings
  • Adjust Paper Type and Size
  • Check Alignment Settings

4.Clean the Ink nozzles: To ensure a clean ink nozzles in order to get rid of verticle black lines issue, follow the instructions mentioned below.

  • Open the printer app and select “Maintenance”.
  • Under Maintenance, look for anything like “Device Servicing” that allows you to deal with the ink cartridges.
  • After completing the same, choose “Clean Ink Cartridges”.
  • To finish the procedure, adhere to the on-screen instructions.

Additionally, look for any damage or leaks in the ink or toner cartridges. If a cartridge is malfunctioning or showing wear, replace it as soon as possible.


By using the aforementioned troubleshooting technique, users can fix their horizontal black line problem on their own. That enables to get a clean and error free copies from their device. But, many times issue don’t get resolved easily. Sometimes what happens is that black horizontal line HP Printer problem persists even after cleaning the optics and checking the drum. In Such a scenario users get stuck and feel helpless. Don’t worry! We are here to help you out anytime and anywhere. Our professional experts who have years of experience in solving such issue are available at your service. You can contact us via toll-free number, e-mail, live chat, or HP Technical Support Forum and get in touch with us for the best printing experience. Contact a member of our apt team at any time and visit our website Customer support service to learn more.

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