Made IP connection errors emit the same kind of error as serial connection errors.

printcore.py

@@ -451,7 +451,7 @@ class printcore():
             if self.sendcb:
                 try: self.sendcb(command)
                 except: pass
-
+            try:
             # If the printer is connected via Ethernet, use send
                 if is_socket(self.printer):
                     msg = str(command+"\n")
@@ -462,10 +462,11 @@ class printcore():
                             raise RuntimeError("socket connection broken")
                         totalsent = totalsent + sent
                 else:
-                try:
                     self.printer.write(str(command+"\n"))
             except SerialException, e:
                 print "Can't write to printer (disconnected?)."
+            except RuntimeError, e:
+                print "Socket connection broken, disconnected."
 
 if __name__ == '__main__':
     baud = 115200