1. Introduction 
This document includes the command specifications of the WS4 series. 
 
(1) WS408DT: Head density 203(dpi) / Direct thermal printer 
(2) WS408TT: Head density 203(dpi) / Thermal transfer & Direct thermal printer 
(3) WS412DT: Head density 300(dpi) / Direct thermal printer 
(4) WS412TT: Head density 300(dpi) / Thermal transfer & Direct thermal printer 
 
Command language used in this document is based on the SBPL(SATO Barcode Printer Language). 
 
 
2. Default Settings 
 
Default setting of the printers are listed below. 
 
WS4 series 
2-6 ips (203 dpi), 2-4 ips (300 dpi) 
5 ips (203 dpi), 4 ips (300 dpi) 
w/ zero slash, w/o zero slash 
Propotional pitch, fixed pitch