How to Clean Printer Heads In Epson Printers? Epson printer not working issues can be troubleshooted by cleaning the nozzles since generally the printer not working problem is caused by the clogging of nozzles. To mend these, we can use different methods to unclog the printers such as cleaning the nozzles using the respective solutions, taking out jam paper and dust from the printer etc. this will help in solving the problem.