How to print a printer test slip based on what printer you have
1) Citizen - Press the black button on the back one time.
2) Epson T88V - Push the reset button on the back until the slip prints.
3) Epson U220B - Push the reset button on the back until the slip prints.
4) Star - Power off, then press and hold the feed button while turning back on.
Below are what the slips look like for each printer