Lexmark Printer Setup, manually installed driver package

How do i configure i my printer to get it working properly, i installed the driver package as you can see:

user@printer-dvm:~$ sudo dpkg -l | grep lexmark
ii  lexmark-network-scan                 3.7.0.0-1                           amd64        
user@printer-dvm:~$ 
user@printer-dvm:~$ system-config-printer
/usr/share/system-config-printer/system-config-printer.py:315: DeprecationWarning: Gtk.ActionGroup.list_actions is deprecated
  for action in printer_manager_action_group.list_actions ():
/usr/share/system-config-printer/system-config-printer.py:316: DeprecationWarning: Gtk.Action.set_sensitive is deprecated
  action.set_sensitive (False)
/usr/share/system-config-printer/system-config-printer.py:324: DeprecationWarning: Gtk.ActionGroup.get_action is deprecated
  act = printer_manager_action_group.get_action (action)
/usr/share/system-config-printer/system-config-printer.py:354: DeprecationWarning: Gtk.UIManager.ensure_update is deprecated
  self.ui_manager.ensure_update ()
/usr/share/system-config-printer/system-config-printer.py:355: DeprecationWarning: Gtk.UIManager.get_accel_group is deprecated
  self.PrintersWindow.add_accel_group (self.ui_manager.get_accel_group ())
/usr/share/system-config-printer/system-config-printer.py:364: DeprecationWarning: Gtk.UIManager.get_action is deprecated
  action = self.ui_manager.get_action ("/new-printer")
/usr/share/system-config-printer/system-config-printer.py:365: DeprecationWarning: Gtk.Action.create_menu_item is deprecated
  newprinteritem = action.create_menu_item ()
/usr/share/system-config-printer/system-config-printer.py:663: DeprecationWarning: Gtk.Action.get_proxies is deprecated
  for widget in action.get_proxies ():
/usr/share/system-config-printer/system-config-printer.py:2236: DeprecationWarning: Gdk.threads_enter is deprecated
  Gdk.threads_enter ()
PASSTHRU
'\x00'
ps
'\x00'
lp
'\x00'
PORT1
'\x00'

'\x00'
LPT0
'\x00'
LPT0_PASSTHRU
'\x00'
COM0
'\x00'
COM0_PASSTHRU
'\x00'
LPT1
timed out
LPT1_PASSTHRU
'\x00'
COM1
'\x00'
COM1_PASSTHRU
'\x00'
LPT2
'\x00'
LPT2_PASSTHRU
'\x00'
COM2
'\x00'
COM2_PASSTHRU
'\x00'
LPT3
'\x00'
LPT3_PASSTHRU
'\x00'
COM3
'\x00'
COM3_PASSTHRU
'\x00'
LPT4
'\x00'
LPT4_PASSTHRU
'\x00'
COM4
'\x00'
COM4_PASSTHRU
'\x00'
LPT5
'\x00'
LPT5_PASSTHRU
'\x00'
COM5
'\x00'
COM5_PASSTHRU
'\x00'
LPT6
'\x00'
LPT6_PASSTHRU
'\x00'
COM6
'\x00'
COM6_PASSTHRU
'\x00'
LPT7
'\x00'
LPT7_PASSTHRU
'\x00'
COM7
'\x00'
COM7_PASSTHRU
'\x00'
pr0
'\x00'
pr1
'\x00'
pr2
'\x00'
pr3
'\x00'
pr4
'\x00'
pr5
'\x00'
pr6
'\x00'
pr7
'\x00'
pr8
'\x00'
pr9
'\x00'
pr10
'\x00'
pr11
'\x00'
pr12
'\x00'
pr13
'\x00'
pr14
'\x00'
pr15
'\x00'
pr16
'\x00'
pr17
'\x00'
pr18
'\x00'
pr19
'\x00'
pr20
'\x00'
pr21
'\x00'
pr22
'\x00'
pr23
'\x00'
pr24
'\x00'
pr25
'\x00'
pr26
'\x00'
pr27
'\x00'
pr28
'\x00'
pr29
'\x00'
pr30
'\x00'
pr31
'\x00'
pr32
'\x00'
pr33
'\x00'
pr34
'\x00'
pr35
'\x00'
pr36
'\x00'
pr37
'\x00'
pr38
'\x00'
pr39
'\x00'

For what kind of password it asks? What does the Windows Workgroup has to do with that? Why are there so many different connections?