ی جایی تو هلپ پرینت ددم که داره تست انگار واسه تست پرینته وقتی زدم این ارور رو داد شاد شما ازش چیزی متوجه بشین من که چیزی متوجه نشدم ؟؟؟

Page 1 (Choose printer):
{'cups_dest': <cups.Dest object at 0x8f6ac00>,
'cups_instance': None,
'cups_queue': 'HP_LaserJet_1020',
'cups_queue_listed': True}
Page 2 (Check printer sanity):
{'cups_device_uri_scheme': u'hp',
'cups_printer_dict': {'device-uri': u'hp:/usb/HP_LaserJet_1020?serial=JL3WVEY',
'printer-info': u'HP_LaserJet_1020',
'printer-is-shared': True,
'printer-location': u'ubuntu',
'printer-make-and-model': u'HP LaserJet 1020 Foomatic/foo2zjs (recommended)',
'printer-state': 3,
'printer-state-message': u'',
'printer-state-reasons': [u'none'],
'printer-type': 167940,
'printer-uri-supported': u'ipp://localhost:631/printers/HP_LaserJet_1020'},
'is_cups_class': False}
Page 3 (Printer state reasons):
{'printer-state-message': '', 'printer-state-reasons': 'none'}
Page 4 (Print test page):
{'test_page_attempted': True,
'test_page_job_id': [17],
'test_page_job_status': [(17, 'HP_LaserJet_1020', 'Test Page')],
'test_page_jobs_cancelled': True,
'test_page_successful': True}
Page 5 (Printer state reasons):
{'printer-state-message': '', 'printer-state-reasons': 'none'}