As a Uv Ink Manufacturer , I would like to share with you the time it takes to replace the print head. If your business has a commercial printer, it is important to clean and maintain the print head-after all, if the print head is damaged or clogged, your printer will not work. Even with proper care and maintenance, the print head sometimes needs to be replaced. But How Do You Know When to Replace a New Print Head? Even the cheapest inkjet printers have print heads. If the print head of a home printer is broken, it is usually more economical to buy a new printer. For expensive commercial printers, whenever the print head is damaged, the cost of buying a new printer is prohibitive, which is why it should be replaced. The print head is supplied with ink from an ink cartridge; this ink is sprayed onto the paper with small nozzles. Piezoelectric inkjet print heads use electric charge and vibration to push ink out of the nozzles, while thermal inkjet print heads use heat to boil ink and g