hp-timedate does not work for OfficeJet 6500A

[Frank]

Clock is not updated ton OfficeJet 6500A

OpenSuse 12.1 64bit

hplip-sane-3.11.10-3.1.2.x86_64
hplip-hpijs-3.11.10-3.1.2.x86_64
hplip-3.11.10-3.1.2.x86_64

HP Linux Imaging and Printing System (ver. 3.11.10)
Time/Date Utility ver. 2.0

Copyright (c) 2001-9 Hewlett-Packard Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.

hp-timedate[5626]: debug: getDeviceUri(None, None, ['hpfax'], {'fax-type': (<built-in function gt>, 0)}, , True)
hp-timedate[5626]: debug: Mode=0
hp-timedate[5626]: debug: hp:/net/Officejet_6500_E710a-f?zc=HP85932E: back_end:hp is_hp:True bus:net model:Officejet_6500_E710a-f serial: dev_file: host:HP85932E zc:HP85932E port:1
hp-timedate[5626]: debug: hpfax:/net/Officejet_6500_E710a-f?zc=HP85932E: back_end:hpfax is_hp:True bus:net model:Officejet_6500_E710a-f serial: dev_file: host:HP85932E zc:HP85932E port:1
hp-timedate[5626]: debug: Cache miss: officejet_6500_e710a-f
hp-timedate[5626]: debug: Reading file: /usr/share/hplip/data/models/models.dat
hp-timedate[5626]: debug: Searching for section [officejet_6500_e710a-f] in file /usr/share/hplip/data/models/models.dat
hp-timedate[5626]: debug: Found section [officejet_6500_e710a-f] in file /usr/share/hplip/data/models/models.dat
hp-timedate[5626]: debug: {'hpfax:/net/Officejet_6500_E710a-f?zc=HP85932E': ['Officejet_6500A_Fax']}
Using device: hpfax:/net/Officejet_6500_E710a-f?zc=HP85932E

hp-timedate[5626]: debug: hpfax:/net/Officejet_6500_E710a-f?zc=HP85932E: back_end:hpfax is_hp:True bus:net model:Officejet_6500_E710a-f serial: dev_file: host:HP85932E zc:HP85932E port:1
hp-timedate[5626]: debug: fax-type=6
hp-timedate[5626]: debug: Device URI: hpfax:/net/Officejet_6500_E710a-f?zc=HP85932E
hp-timedate[5626]: debug: Printer: None
hp-timedate[5626]: debug: hpfax:/net/Officejet_6500_E710a-f?zc=HP85932E: back_end:hpfax is_hp:True bus:net model:Officejet_6500_E710a-f serial: dev_file: host:HP85932E zc:HP85932E port:1
hp-timedate[5626]: debug: URI: backend=hpfax, is_hp=True, bus=net, model=Officejet_6500_E710a-f, serial=, dev=, host=HP85932E, port=1
hp-timedate[5626]: debug: Model/UI model: Officejet_6500_E710a-f/HP Officejet 6500 e710a-f
hp-timedate[5626]: debug: hpfax:/net/Officejet_6500_E710a-f?zc=HP85932E: back_end:hpfax is_hp:True bus:net model:Officejet_6500_E710a-f serial: dev_file: host:HP85932E zc:HP85932E port:1
hp-timedate[5626]: debug: Re-reading CUPS printer queue information.
hp-timedate[5626]: debug: Opening device: hpfax:/net/Officejet_6500_E710a-f?zc=HP85932E (not for printing)
hp-timedate[5626]: debug: I/O mode=1
hp-timedate[5626]: debug: device-id=1
hp-timedate[5626]: debug: Opened device: hpfax (backend=hpfax:/net/Officejet_6500_E710a-f?zc=HP85932E, is_hp=True, bus=net, model=Officejet_6500_E710a-f, dev=, serial=, host=HP85932E, port=1)
Setting time and date on hpfax:/net/Officejet_6500_E710a-f?zc=HP85932E
hp-timedate[5626]: debug: Closing device...
hp-timedate[5626]: debug: Result-code = 0
Traceback (most recent call last):
  File "/usr/bin/hp-timedate", line 95, in <module>
    d.setDateAndTime()
  File "/usr/share/hplip/fax/fax.py", line 460, in setDateAndTime
    raise AttributeError
AttributeError