A printer is a complicated hardware device because there are a lot of small components inside the printer. There can be a lot of problems while working on a printer. Many printer users have asked “why is my printer printing lines”? So here are the reasons for this problem:-
1. There is a loss of connection in the printer.
2. There is a problem in translating the print order.
3. The toner or ink cartridges are stuck in your printer.