Открой /etc/udev/rules.d/59-smfp_samsung.rules
например так
sudo gedit /etc/udev/rules.d/59-smfp_samsung.rules
И замени в нем текст на такой
# chmod device Samsung
ATTRS{idVendor}=="04e8", ATTRS{idProduct}=="3469", ENV{libsane_matched}="yes", MODE="0777"
В конце файла добавляем пустую строку, энтером.
Сохраняем и выходим из текстового редактора.
Перезагружаем компьютер и пробуем подключить мфу.
PS: составил примерно, может еще чего-нибудь нужно добавить, вобщем надо проверять. Суть тут указать нужные права и заодним программе сканирования тоже командуем использовать это устройство.
Если захочешь вернуть как было, то вот текст этого файла:
# This file is a part of Unified Linux Driver
# Rules to allow low level USB device access for smfpautoconf
#
# For new distributions,
# Permissions and group are set according to common libsane rules
#
ACTION!="add", GOTO="smfp_label_end"
# Check device type
ENV{DEVTYPE}=="usb_device", GOTO="smfp_create_usb_dev"
# Check SUBSYSTEM (should be either "usb" or "usb_device")
SUBSYSTEM=="usb", GOTO="smfp_create_usb_dev"
SUBSYSTEM=="usb_device", GOTO="smfp_create_usb_dev"
GOTO="smfp_label_end"
LABEL="smfp_create_usb_dev"
# Check Vendor ID
ATTR{idVendor}!="04e8", GOTO="smfp_label_end"
ATTRS{idProduct}=="3425", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="341c", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="342a", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="343d", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3456", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="345a", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3427", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="343a", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3428", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="343b", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3455", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3421", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3439", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3444", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="343f", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="344e", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3431", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="345c", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="344d", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3462", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3464", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3461", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3460", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="340e", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3435", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="340f", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3441", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="344f", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3413", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="341b", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="342e", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3426", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="342b", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3433", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3440", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3434", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="345b", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3457", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="341f", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3453", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="344b", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3409", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3412", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3419", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="342c", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="343c", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3432", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="342d", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3430", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="342f", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3446", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="341a", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3437", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3442", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3466", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="340d", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="341d", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3420", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3429", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3443", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3438", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="344c", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="345d", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3463", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3465", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3450", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3468", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3469", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3467", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="346b", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="346a", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="346e", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3471", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3472", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="347d", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="347c", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="347e", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3481", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3482", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3331", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3332", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3483", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3484", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3485", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3478", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3325", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3327", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="346f", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3477", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3324", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3326", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3486", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3487", ENV{libsane_matched}="yes"
ATTRS{idProduct}=="3489", ENV{libsane_matched}="yes"
ENV{libsane_matched}=="yes", OWNER="root", MODE="664", GROUP="lp"
LABEL="smfp_label_end"