EPL is not supported on 300 or 600 DPI Zebra Printers  

Details

Topic or Information

EPL Language is only supported on 200 DPI printers

Applies To

Zebra Printers that support multiple languages (EZPL) and printhead resolutions 
GX Series,  ZD500 Series,,ZT200 Series, ZT400 Series, ZM Series

Details

The EPL language is only supported on 200 DPI printers. 

If trying to use EPL programming code on a 300 or 600 DPI printer the code will be ignored and the printer will not respond.