diff --git a/assets/escpos_sample.bin b/assets/escpos_sample.bin
new file mode 100644
index 000000000..54f17f2ae
Binary files /dev/null and b/assets/escpos_sample.bin differ
diff --git a/sample.html b/sample.html
index 7e857e193..c8c8652e1 100755
--- a/sample.html
+++ b/sample.html
@@ -205,6 +205,7 @@ <h3>Raw Printing</h3>
                             </div>
                             <div class="btn-group">
                                 <button type="button" class="btn btn-default" onclick="printFile('zpl_sample.txt');">zpl_sample.txt</button>
+                                <button type="button" class="btn btn-default" onclick="printFile('escpos_sample.bin');">escpos_sample.bin</button>
                                 <button type="button" class="btn btn-default" onclick="printFile('fgl_sample.txt');">fgl_sample.txt</button>
                                 <button type="button" class="btn btn-default" onclick="printFile('epl_sample.txt');">epl_sample.txt</button>
                                 <button type="button" class="btn btn-default" onclick="printFile('sbpl_sample.txt');">sbpl_sample.txt</button>