In a busy lifestyle, many people work at home and business office. New technologies are daily developed, and smart digital life starts with computers, printers, and smarts wireless devices. Many organizations mostly used HP printers, Canon, and Epson printers. Sometimes many people facing problems with the printer is not printing and printing with a Blackline issue. Now we discuss the reason for HP Printing Black Lines The main reasons are · Ink cartridge problem · Empty Cartridge · Dust particle in Printer Types of Blackline Printing lining Error · Black lines printing vertical Printing · Print missing some area or words · Smudges printing page How to solve the Ink Cartridge and black lines printing Problem On/Off Reboot the Printer Sometimes the dust particles create the main problem with the printing backlines so need to clean the printer properly with cleaning paper towels to clean the printer glass. Check t