diff --git a/server/utils/mcp.ts b/server/utils/mcp.ts
index 2ce8c7c..b3ebd9d 100644
--- a/server/utils/mcp.ts
+++ b/server/utils/mcp.ts
@@ -53,6 +53,45 @@ export const PRINTING_GUIDES: Record<string, {
   { "op": "text", "value": "Contenido aquí" },
   { "op": "feed", "lines": 4 },
   { "op": "cut" }
+]`
+  },
+  'TM-T20II': {
+    model: 'Epson TM-T20II',
+    type: 'Térmica',
+    columns: 48,
+    columnsDoubleWidth: 24,
+    supportedChars: 'ASCII extendido, algunos caracteres Unicode soportados',
+    rules: [
+      'Máximo 48 caracteres por línea (24 con width:2)',
+      'Soporta más caracteres que matriciales',
+      'Impresión rápida y silenciosa',
+      'Usar feed para espaciado',
+      'Soporta códigos QR y de barras',
+      'Ideal para recibos y tickets'
+    ],
+    operations: [
+      '{ op: "text", value: "texto" } - Imprime texto',
+      '{ op: "feed", lines: N } - Avanza N líneas',
+      '{ op: "cut" } - Corta el papel',
+      '{ op: "align", align: "left|center|right" } - Alineación',
+      '{ op: "style", bold: true, underline: true, width: 1-2, height: 1-2 } - Estilos',
+      '{ op: "qrcode", data: "texto", size: 4 } - Código QR',
+      '{ op: "barcode", data: "123456", type: "ean13" } - Código de barras'
+    ],
+    example: `[
+  { "op": "align", "align": "center" },
+  { "op": "style", "bold": true, "width": 2, "height": 2 },
+  { "op": "text", "value": "RECIBO" },
+  { "op": "style", "bold": false, "width": 1, "height": 1 },
+  { "op": "feed", "lines": 1 },
+  { "op": "text", "value": "================================================" },
+  { "op": "feed", "lines": 1 },
+  { "op": "align", "align": "left" },
+  { "op": "text", "value": "Contenido aquí" },
+  { "op": "feed", "lines": 2 },
+  { "op": "qrcode", "data": "https://example.com", "size": 4 },
+  { "op": "feed", "lines": 4 },
+  { "op": "cut" }
 ]`
   },
   'TM-T88': {