There is a time when your printer won’t print in black and hence make this problem too much annoy. At such point of time, despite being worried, you have to check the ink cartridges and make sure you use only genuine HP cartridges. The full guidance will be seen on your computer screen when you access the link 123.hp.com/setup. The complete instructions for solving Printer Not Printing Black issue are mentioned on that page. So, open it on your browser and go through the provided guidelines one-by-one. For sure, your printer will start printing perfectly in black color.
