<human>:  How can I troubleshoot my printer that won't print?
<bot>: To troubleshoot a printer that won't print, start by checking to make sure it is powered on and correctly connected to your computer. Then, check if the printer is out of paper or if there is a paper jam. If the problem persists, you may need to check the ink cartridges, as they may be low or empty. Lastly, if all else fails, try restarting both your printer and computer, as a software issue could be causing the problem.