Another reason why your printer is not printing is that the printer ink but the internal contacts of the printer may be dirty. If you do not get the print of the text in any of the colors, delete the printer and reinstall the printer and its drivers so that you can resume printing. If you want to know more about it, you need to visit this link: HP Printer Not Printing Color Correctly. If your printer prints blank pages, remove all ink cartridges, reinstall those cartridges, and reset the printer. Then fire a test print now check whether the printer works and prints the test document appropriately. If not this means the cartridges require a replacement or there is some hardware related issue.