2018年7月16日 · Over that last 3-4 months, the problem has become worse. Each time I print, the first 3-4 pages are covered with black, horizontal lines. I have changed the toner cartridge, run all cleaning and maintenance functions, and the problem still persists. This happens regardless of the document type (PDS, Word, Excel, etc.) that I am printing. Help!!

2017年3月4日 · Check out our. Black or Color Ink Not Printing, Other Print Quality Issues info about: Print quality and Cartridge Issues. It has been a while since anyone has replied. Simply ask a new question if you would like to start the discussion again .

2016年10月26日 · HP Color LaserJet Enterprise M552, M553 and MFP M577 - Lines/streaks, toner dust, and/or excessive c... Hope that helps. I am an HP employee supporting the HP Experts who volunteer their time and technical knowledge to help others.

2024年10月13日 · I understand the issue you're experiencing with your HP OfficeJet Pro 6978 printing black lines could be due to several factors, such as dirty printheads, clogged nozzles, or ink cartridge problems. Here’s a step-by-step guide to troubleshooting and resolving this issue: 1. Clean the Printhead

2012年11月15日 · 1. The black line down the side of a printed page ONLY appears when I try to COPY or SCAN while feeding through the ADF. 2. The problem does not change if I select BLACK only or COLOR copy or scan ( line still apears) 3. Line DOES NOT appear if I put a sheet on the scan glass and try to copy or scan (color option not an issue

2017年1月18日 · We are getting vertical black streaks down the page on most printouts. The printer is relativley new, as I just replaced (for the first time) the black toner yesterday (thinking low toner was the cause) All other inks are still the original inks shipped with the printer. This has not fixed the problem.

2018年1月29日 · The printer works fine on 10x15 cm HP photopaper. The black lines are visible on A4 Hp photopaper. Printing text is also without any problem. I use only HP cartridges and replaced them all but no solution even aligning and cleaning printheads does not help. I had also done the troubleshooting steps before posting.

2017年11月18日 · My printer prints fine when I send a doc from my computer but suddenly there are major vertical black lines on the pages when I use the copy function on the printer. I've run the diagnostic for the printer heads and there are no problems there. In case it makes a difference, I think that my Windows 10 is 32-bit but I'm not sure.

2021年7月11日 · My Printer is HP LaserJet Pro P1106 Printer It prints with black parallel lines on pages I regularly cleans garbage tank, But it doesn't work. You may notice them on right side in images However on the other side there is no problem.

2024年4月25日 · For horizontal lines, the focus should be on the left and right edges of the TV, aligned with the ends of the lines. Again, the same idea about the number of lines; just one or two lines points to a bond failure in the panel. You should try applying gentle pressure or even twisting the TV gently while watching the screen