base_view.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        ##############################################################################
        #
        #    printers module for OpenERP, Allow to manage printers un OpenERP
        #    Copyright (C) 2011 SYLEAM Info Services ([http://www.Syleam.fr/])
        #              Sylvain Garancher [sylvain.garancher@syleam.fr]
        #              Christophe CHAUVET [christophe.chauvet@syleam.fr]
        #
        #    This file is a part of printers
        #
        #    printers is free software: you can redistribute it and/or modify
        #    it under the terms of the GNU Affero General Public License as published by
        #    the Free Software Foundation, either version 3 of the License, or
        #    (at your option) any later version.
        #
        #    printers is distributed in the hope that it will be useful,
        #    but WITHOUT ANY WARRANTY; without even the implied warranty of
        #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        #    GNU Affero General Public License for more details.
        #
        #    You should have received a copy of the GNU Affero General Public License
        #    along with this program.  If not, see [http://www.gnu.org/licenses/].
        #
        ##############################################################################

        #
        # Inherit the user view to add his default printer
        #
        <record id="view_res_users_form_modif_printer_form" model="ir.ui.view">
            <field name="name">res.users.form.modif - Printer</field>
            <field name="model">res.users</field>
            <field name="type">form</field>
            <field name="priority" eval="40"/>
            <field name="inherit_id" ref="base.view_users_form_simple_modif"/>
            <field name="arch" type="xml">
                <xpath expr="/form/group/field[@name='context_tz']" position="after">
                    <field name="context_printer_id" readonly="0"/>
                </xpath>
            </field>
        </record>
    </data>
</openerp>