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+# DevTerm Thermal printer 
+
+
+
+### Eos/Pos commands example
+
+
+#### ESC ! n  
+set printer font index,n:0-4  
+`echo -en "\x1b\x0" > /tmp/DEVTERM_PRINTER_IN`
+
+
+#### DC2 # n   
+n:0-F, set printer printing density 
+
+`echo -en "\x12\x23\x8" > /tmp/DEVTERM_PRINTER_IN`
+
+#### DC2 T  
+print the test page  
+`echo -en "\x12\x54" >  /tmp/DEVTERM_PRINTER_IN`
+
+