Agregar la fuente de la letra del ticket.

ticket_venta_ruta5.xml

@@ -17,10 +17,10 @@
          <field name="page_height">150</field>
          <field name="page_width">60</field>
          <field name="orientation">Portrait</field>
-         <field name="margin_top">3</field>
-         <field name="margin_bottom">3</field>
-         <field name="margin_left">2</field>
-         <field name="margin_right">2</field>
+         <field name="margin_top">2</field>
+         <field name="margin_bottom">2</field>
+         <field name="margin_left">1</field>
+         <field name="margin_right">1</field>
          <field name="header_line" eval="False" />
          <field name="header_spacing">3</field>
          <field name="dpi">90</field>