diff --git a/gestion/ldap_crans.py b/gestion/ldap_crans.py
index 7ba44d8c..5aa7e30a 100755
--- a/gestion/ldap_crans.py
+++ b/gestion/ldap_crans.py
@@ -990,6 +990,14 @@ class BaseClasseCrans(CransLdap):
         retourne True s'il s'agit du même club/adhérent/machine, False sinon """
         return self.__class__ == autre.__class__ and self.id() == autre.id()
 
+    def __enter__(self):
+        """Dummy"""
+        pass
+
+    def __exit__(self, type, value, traceback):
+        """Dummy"""
+        pass
+
     def id(self):
         """ Retourne la valeur de l'attribut caractéristique de la classe (aid,mid,cid)"""
         try:
diff --git a/impression/impression_hp.py b/impression/impression_hp.py
index 0f9ae9ce..32193c6e 100644
--- a/impression/impression_hp.py
+++ b/impression/impression_hp.py
@@ -21,11 +21,13 @@ import math
 if '/usr/scripts' not in sys.path:
     sys.path.append('/usr/scripts')
 
-from base import FichierInvalide, SoldeInsuffisant, PrintError, SettingsError
+from base import FichierInvalide, PrintError, SettingsError
 
 from gestion.config import impression as config_impression
 from subprocess import Popen, PIPE, check_output
 import livret
+import lc_ldap.shortcuts
+import lc_ldap.crans_utils as crans_utils
 
 ## Pour les codes qui se connectent direct à l'imprimante en http
 BASE_URL = 'https://imprimante.adm.crans.org'
@@ -357,16 +359,12 @@ class impression(object):
         self._jid = self._uniq_jid()
 
         # debite l'adhérent si adherent il y a
-        if not DEBUG and  (self._adh != None):
-            adh = self._adh.split('@')
-            if len(adh) > 1:
-                adh = adh[1:]
-            adh = self._get_adh(adh[0])
+        if self._adh != None:
+            adh = self._get_adh_write()
             self._calcule_prix() # Normalement inutile, mais évite les races
-            if (self._prix > (adh.solde() - config_impression.decouvert)):
-                raise SoldeInsuffisant
-            adh.solde(-self._prix, "impression(%d): %s par %s" % (self._jid,self._fichier,self._adh))
-            adh.save()
+            with adh:
+                adh.solde(-self._prix, u"impression(%d): %s par %s" % (self._jid,self._fichier, self._adh))
+                adh.save()
             del adh
         # imprime le document
         self._exec_imprime()
@@ -424,11 +422,14 @@ class impression(object):
         self._prix = float(c_total)/100
         return self._prix
 
-    def _get_adh(self, adh):
-        if type(adh) == str:
-            #from ldap_crans_test import crans_ldap
-            from gestion.ldap_crans import CransLdap
-            adh = CransLdap().getProprio(adh, 'w')
+    @lc_ldap.shortcuts.with_ldap_conn(retries=2, delay=5,
+        constructor=lc_ldap.shortcuts.lc_ldap_admin)
+    def _get_adh_write(self, ldap):
+        """Récupère l'adhérent en lecture-écriture"""
+        uid = self._adh
+        if type(uid) in [str, unicode]:
+            uid = uid.split('@')[0]
+            adh = ldap.search(u'uid=%s' % crans_utils.escape(uid), mode='rw')[0]
         return adh
 
     ## ################################# ##