Fix HP printer is printing black lines

1. FIX HP PRINTER IS PRINTING BLACK LINES HP PRINTER IS PRINTING BLACK LINES DIRTY SCANNER GLASS Dirt and debris can appear as black lines or smudges if your printer is an all-in-one or has a lift-up lid. We can easily resolve the problem with glass cleaner and lint-free paper towels or clothes. To avoid glass cleaner spots, dry the glass completely with a clean, soft, dry, lint-free cloth. REBOOT PRINTER We can reboot the printer so that it solves the problem automatically. After cleaning the scanner glass, there is a need to make sure that the printer is working properly. Here we turn off the HP printer, unplug the power cord, and wait for a minute. Now plug the power wire into a wall outlet. We can turn on the HP printer and check if the issue is resolved or not. INK CARTRIDGE PROBLEM We can use these steps to refill ink cartridges. It also reduces the chances of many errors. The HP printer printing black because of empty ink cartridges. Sometimes the cartridges are not installed properly. Here we need to open the printer's upper lid and remove its ink cartridges. There is a need to refill and install it properly. Now we take a print test on paper. If the problem is still there, we need to replace the ink cartridges. PRINTER NEEDS SERVICING There may be times when your HP printer prints black lines on your printed pages if it needs some other type of service. Contact your service provider if you have already tried all the above methods that are available to you. It is common for your service provider to be able to diagnose the problem quickly. Most of the time, it solves