We have a ZTC S4M-200DPI EPL printer that has started skipping random ... We have a ZTC S4M-200DPI EPL printer that has started skipping random labels during printing. Using Transfer method. Transverse sensing. Updating to the latest driver did not help. Infact when set to spooling on local computer first it would only print nine labels and stop. Disabling this got us back to the random skipping.