Samsung M2070 CUPS internal server error

[gimble guy]

On MXLinux, it automatically setup the IPP everything is automatic. Not sure why the CUPS is like this in Linuxlite

here's the syslog:

Apr 12 12:22:28 Thermalite kernel: [  160.887802] audit: type=1400 audit(1618194148.197:33): apparmor="DENIED" operation="open" profile="/usr/lib/cups/backend/cups-pdf" name="/etc/cups/" pid=2773 comm="cups-pdf" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
Apr 12 12:22:28 Thermalite kernel: [  160.893158] usblp2: removed
Apr 12 12:22:28 Thermalite kernel: [  160.917423] usblp 7-2:1.1: usblp2: USB Bidirectional printer dev 2 if 1 alt 0 proto 2 vid 0x04E8 pid 0x3469

here's the output why running the system-config-printer software:
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 ()
Caught non-fatal exception.  Traceback:
File "/usr/share/system-config-printer/newprinter.py", line 4241, in getNPPPD
    ppd = cups.PPD(f)
RuntimeError: ppdOpenFile failed
Continuing anyway..
Caught non-fatal exception.  Traceback:
File "/usr/share/system-config-printer/newprinter.py", line 1903, in setNPButtons
    uri = self.getDeviceURI ()
File "/usr/share/system-config-printer/newprinter.py", line 3531, in getDeviceURI
    type = self.device.type
AttributeError: 'NoneType' object has no attribute 'type'
Continuing anyway..
Caught non-fatal exception.  Traceback:
File "/usr/share/system-config-printer/newprinter.py", line 4241, in getNPPPD
    ppd = cups.PPD(f)
RuntimeError: ppdOpenFile failed
Continuing anyway..