printer_bridge/views/res_user_form.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <record id="res_users_inherit_view_form" model="ir.ui.view">
            <field name="name">res.users.inherit.view.form</field>
            <field name="model">res.users</field>
            <field name="inherit_id" ref="base.view_users_form"/>
            <field name="arch" type="xml">
                <xpath expr="//notebook/page[last()]" position="after">
                    <page string="Impresoras">
                        <group>
                            <group string="Servidor de impresión">
                                <field name="tray_host" />
                                <field name="tray_port" />
                                <field name="tray_path" />
                                <field name="tray_print_direcly" />
                            </group>
                        </group>
                    </page>
                </xpath>
            </field>
        </record>
    </data>
</openerp>