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#1 Le 02/02/2020, à 21:21

MaxJ01

Pb de numérisation à partir d'une multifonction Epson ET-2750

Bonjour,
J'utilise Ubuntu depuis plusieurs années. J'ai un pb d'installation de la fonction scanner de ma multifonction Epson ET-2750. L'imprimante fonctionne très bien sans le pilote Epson.
Distirbution Ubuntu 19.10

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=19.10
DISTRIB_CODENAME=eoan
DISTRIB_DESCRIPTION="Ubuntu 19.10"
x86_64
max adm cdrom sudo dip plugdev lpadmin scanner lxd sambashare
Bus 002 Device 002: ID 8087:8001 Intel Corp. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8009 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser
Bus 003 Device 002: ID 04b8:112a Seiko Epson Corp. ET-2750 Series
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

donc la multifonction est connectée en USB sur le port 003:002

dpkg -l | grep epson
ii  imagescan                                     3.62.0-1epson4ubuntu19.10              amd64        next generation image acquisition utilities
ii  imagescan-plugin-gt-s650                      1.0.2-1epson4ubuntu19.10               amd64        Image Scan v3 GT-S650 Interpreter Plugin
ii  imagescan-plugin-networkscan                  1.1.3-1epson4ubuntu19.10               amd64        Network scan plugin
ii  imagescan-plugin-ocr-engine                   1.0.2-1epson4ubuntu19.10               amd64        Image Scan v3 OCR Engine Plugin
dpkg -l | grep epson
ii  imagescan                                     3.62.0-1epson4ubuntu19.10              amd64        next generation image acquisition utilities
ii  imagescan-plugin-gt-s650                      1.0.2-1epson4ubuntu19.10               amd64        Image Scan v3 GT-S650 Interpreter Plugin
ii  imagescan-plugin-networkscan                  1.1.3-1epson4ubuntu19.10               amd64        Network scan plugin
ii  imagescan-plugin-ocr-engine                   1.0.2-1epson4ubuntu19.10               amd64        Image Scan v3 OCR Engine Plugin
dpkg -l | grep libsane
ii  libsane:amd64                                 1.0.27-3.2ubuntu3                      amd64        API library for scanners
ii  libsane-common                                1.0.27-3.2ubuntu3                      all          API library for scanners -- documentation and support files
ii  libsane-hpaio:amd64                           3.19.6+dfsg0-1ubuntu1                  amd64        HP SANE backend for multi-function peripherals
sane-find-scanner

  # sane-find-scanner will now attempt to detect your scanner. If the
  # result is different from what you expected, first make sure your
  # scanner is powered up and properly connected to your computer.

  # No SCSI scanners found. If you expected something different, make sure that
  # you have loaded a kernel SCSI driver for your SCSI adapter.

could not open USB device 0x8087/0x8001 at 002:002: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 002:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0003 at 006:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 005:001: Access denied (insufficient permissions)
could not open USB device 0x8087/0x8009 at 001:002: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 001:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0003 at 004:001: Access denied (insufficient permissions)
could not open USB device 0x046d/0xc517 at 003:003: Access denied (insufficient permissions)
could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error
found USB scanner (vendor=0x04b8, product=0x112a) at libusb:003:002
could not open USB device 0x1d6b/0x0002 at 003:001: Access denied (insufficient permissions)
  # Your USB scanner was (probably) detected. It may or may not be supported by
  # SANE. Try scanimage -L and read the backend's manpage.

  # Not checking for parallel port scanners.

  # Most Scanners connected to the parallel port or other proprietary ports
  # can't be detected by this program.

  # You may want to run this program as root to find all devices. Once you
  # found the scanner devices, be sure to adjust access permissions as
  # necessary.
sudo sane-find-scanner
[sudo] Mot de passe de max : 

  # sane-find-scanner will now attempt to detect your scanner. If the
  # result is different from what you expected, first make sure your
  # scanner is powered up and properly connected to your computer.

  # No SCSI scanners found. If you expected something different, make sure that
  # you have loaded a kernel SCSI driver for your SCSI adapter.

could not fetch string descriptor: Pipe error
could not fetch string descriptor: Pipe error
found USB scanner (vendor=0x04b8, product=0x112a) at libusb:003:002
  # Your USB scanner was (probably) detected. It may or may not be supported by
  # SANE. Try scanimage -L and read the backend's manpage.

  # Not checking for parallel port scanners.

  # Most Scanners connected to the parallel port or other proprietary ports
  # can't be detected by this program.

C'est mieux, je trouve le scanner.

scanimage -L

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).

Ça marche pas !

ls /etc/sane.d/
abaton.conf          canon_dr.conf   dell1600n_net.conf  genesys.conf  ibm.conf         microtek2.conf   pieusb.conf      sceptre.conf   teco2.conf
agfafocus.conf       canon_pp.conf   dll.conf            gphoto2.conf  kodakaio.conf    microtek.conf    pixma.conf       sharp.conf     teco3.conf
apple.conf           cardscan.conf   dll.d               gt68xx.conf   kodak.conf       mustek.conf      plustek.conf     sm3840.conf    test.conf
artec.conf           coolscan2.conf  dmc.conf            hp3900.conf   kvs1025.conf     mustek_pp.conf   plustek_pp.conf  snapscan.conf  u12.conf
artec_eplus48u.conf  coolscan3.conf  epjitsu.conf        hp4200.conf   leo.conf         mustek_usb.conf  qcam.conf        sp15c.conf     umax1220u.conf
avision.conf         coolscan.conf   epson2.conf         hp5400.conf   lexmark.conf     nec.conf         ricoh.conf       st400.conf     umax.conf
bh.conf              dc210.conf      epson.conf          hp.conf       ma1509.conf      net.conf         rts8891.conf     stv680.conf    umax_pp.conf
canon630u.conf       dc240.conf      epsonds.conf        hpsj5s.conf   magicolor.conf   p5.conf          s9036.conf       tamarack.conf  xerox_mfp.conf
canon.conf           dc25.conf       fujitsu.conf        hs2p.conf     matsushita.conf  pie.conf         saned.conf       teco1.conf

Je n'ai pas epkowa...

cat /etc/sane.d/dll.conf
# dll.conf - Configuration file for the SANE dynamic backend loader
#
# Backends can also be enabled by configuration snippets under the dll.d/
# directory -- third party backends can drop their configuration file in
# this in this directory, named after the backend.
#
# The next line enables the network backend; comment it out if you don't
# need to use a remote SANE scanner over the network -- see sane-net(5)
# and saned(8) for details.
net
abaton
agfafocus
apple
avision
artec
artec_eplus48u
as6e
bh
canon
canon630u
canon_dr
#canon_pp
cardscan
coolscan
#coolscan2
coolscan3
#dc25
#dc210
#dc240
dell1600n_net
dmc
epjitsu
#epson
epson2
epsonds
fujitsu
#gphoto2
genesys
gt68xx
hp
hp3900
hpsj5s
hp3500
hp4200
hp5400
hp5590
hpljm1005
hs2p
ibm
kodak
kodakaio
kvs1025
kvs20xx
leo
lexmark
ma1509
magicolor
matsushita
microtek
microtek2
mustek
#mustek_pp
mustek_usb
mustek_usb2
nec
niash
#p5
pie
pint
pixma
plustek
#plustek_pp
#pnm
qcam
ricoh
rts8891
s9036
sceptre
sharp
sm3600
sm3840
snapscan
sp15c
#st400
#stv680
tamarack
teco1
teco2
teco3
#test
u12
umax
#umax_pp
umax1220u
v4l
xerox_mfp

et enfin

ls  /lib/udev/rules.d | grep libsane
60-libsane.rules

voilà voilà le problème.
J'ai modifié les epson2.conf et epson.conf pour ajouter le description complète au cas où...

# epson2.conf
#
# here are some examples for how to configure the EPSON2 backend

# SCSI
scsi EPSON
# for the GT-6500:
#scsi "EPSON SC"

# Parallel port
#pio 0x278
#pio 0x378
#pio 0x3BC

# USB
usb

# For libusb support for unknown scanners use the following command
# usb <vendor ID> <product ID>
# e.g.:
usb 0x4b8 0x112

# Network
# 
# net 192.168.1.123
net autodiscovery
# epson.conf
#
# here are some examples for how to configure the EPSON backend
#
# SCSI scanner:
scsi EPSON
# for the GT-6500:
scsi "EPSON SC"
#
# Parallel port scanner:
#pio 0x278
#pio 0x378
#pio 0x3BC
#
# USB scanner:
# There are two different methods of configuring a USB scanner: libusb and the kernel module
# For any system with libusb support (which is pretty much any recent Linux distribution) the
# following line is sufficient. This however assumes that the connected scanner (or to be more
# accurate, it's device ID) is known to the backend. 
usb
# For libusb support for unknown scanners use the following command
# usb <product ID> <device ID>
# e.g.:
usb 0x4b8 0x112
# And for the scanner module, use the following configuration:
usb /dev/usbscanner0
usb /dev/usb/scanner0

Merci par avance pour votre réponse.

Hors ligne

#2 Le 03/02/2020, à 12:17

MaxJ01

Re : Pb de numérisation à partir d'une multifonction Epson ET-2750

Bonjour tout le monde, j'ai oublié les information sir libsane :

dpkg -l |grep libsane
ii  libsane:amd64                                 1.0.27-3.2ubuntu3                      amd64        API library for scanners
ii  libsane-common                                1.0.27-3.2ubuntu3                      all          API library for scanners -- documentation and support files
ii  libsane-hpaio:amd64                           3.19.6+dfsg0-1ubuntu1                  amd64        HP SANE backend for multi-function peripherals

Merci

Hors ligne

#3 Le 03/02/2020, à 14:51

sylvain3800

Re : Pb de numérisation à partir d'une multifonction Epson ET-2750

Ton scanner n'est pas encore supporté par sane .
C' est pour cela que scanimage -L ne le voit pas, c est pour cela que simple-scan ne peut pas l ouvrir non plus.
les pilotes installé sont les bon.
Tu dois passer par l utilitaire d'Epson

imagescan

cela devrait marcher.


Cogito ergo sum = je consome donc je suis : je pense, donc je suis !

IN-SHADOW:https://www.youtube.com/watch?v=j800SVeiS5I

Hors ligne

#4 Le 04/02/2020, à 10:13

MaxJ01

Re : Pb de numérisation à partir d'une multifonction Epson ET-2750

OK merci pour ta réponse. J'ai lu beaucoup de fil sur ce forum où il est expliqué que ça devrait fonctionner.
En particulier le fil que ta as eu avec matt, apparemment ça a fonctionné chez lui avec le même modèle de multifonction.
Cependant comme je cherche à scanner, je peux utiliser n'importe quelle application donc pourquoi pas imagescan.
Quand je lance imagescan, installé par les utilitaires Epson

imagescan
Gtk-Message: 09:03:44.773: Failed to load module "canberra-gtk-module"

je n'ai aucune détection de scanner.
L'erreur signalée au lancement sur le module "canberra" serait à ignorer.

Hors ligne

#5 Le 04/02/2020, à 10:18

MaxJ01

Re : Pb de numérisation à partir d'une multifonction Epson ET-2750

Oups je continue d'utiliser imagescan !
mais le résultat avec simple-scan "Aucun périphérique de numérisation n'a été détecté" reste KO.
Par avance merci

Hors ligne

#6 Le 04/02/2020, à 22:51

sylvain3800

Re : Pb de numérisation à partir d'une multifonction Epson ET-2750

Bon imagescane fonctionne , c'est un bon début wink
on va essayer de faire fonctionner simple-scan
donne stp le retour de ces commandes :

cat /lib/udev/rules.d/60-libsane.rules | grep EPSON
ls /lib/udev/rules.d 
sudo find / -name "*epkowa*"
sudo adduser max saned
sudo adduser saned scanner

ensuite redémarre ton ordi pour que cela soit pris en compte puis

scanimage -L 
sudo scanimage -L

@++


Cogito ergo sum = je consome donc je suis : je pense, donc je suis !

IN-SHADOW:https://www.youtube.com/watch?v=j800SVeiS5I

Hors ligne

#7 Le 05/02/2020, à 10:53

MaxJ01

Re : Pb de numérisation à partir d'une multifonction Epson ET-2750

Ok merci pour ces informations mais je ne peux pas scanner, aucune application fonctionne, ni imagescan, ni simple-scan ni xsane.
J'ai toujours un message signifiant qu'aucun scanner n'est détecté.
Je t'envoie les informations demandées

cat /lib/udev/rules.d/60-libsane.rules | grep EPSON
ATTRS{type}=="3", ATTRS{vendor}=="EPSON", ATTRS{model}=="SCANNER*", ENV{libsane_matched}="yes"
ATTRS{type}=="3", ATTRS{vendor}=="EPSON", ATTRS{model}=="Expression800", ENV{libsane_matched}="yes"
ATTRS{type}=="3", ATTRS{vendor}=="EPSON", ATTRS{model}=="GT-9700", ENV{libsane_matched}="yes"
ATTRS{type}=="3", ATTRS{vendor}=="EPSON", ATTRS{model}=="GT-9800", ENV{libsane_matched}="yes"
ATTRS{type}=="3", ATTRS{vendor}=="EPSON", ATTRS{model}=="GT-X900", ENV{libsane_matched}="yes"
ATTRS{type}=="3", ATTRS{vendor}=="EPSON", ATTRS{model}=="Perfection1200", ENV{libsane_matched}="yes"
ATTRS{type}=="3", ATTRS{vendor}=="EPSON", ATTRS{model}=="Perfection636", ENV{libsane_matched}="yes"
ls /lib/udev/rules.d 
39-usbmuxd.rules                       69-cd-sensors.rules                       77-mm-x22x-port-types.rules
40-usb-media-players.rules             69-libmtp.rules                           77-mm-zte-port-types.rules
40-usb_modeswitch.rules                69-wacom.rules                            78-graphics-card.rules
40-vm-hotadd.rules                     70-joystick.rules                         78-sound-card.rules
50-apport.rules                        70-mouse.rules                            80-debian-compat.rules
50-firmware.rules                      70-power-switch.rules                     80-drivers.rules
50-udev-default.rules                  70-printers.rules                         80-iio-sensor-proxy.rules
55-dm.rules                            70-spice-vdagentd.rules                   80-libinput-device-groups.rules
55-ippusbxd.rules                      70-touchpad.rules                         80-mm-candidate.rules
56-hpmud.rules                         70-u2f.rules                              80-net-setup-link.rules
60-block.rules                         70-uaccess.rules                          80-udisks2.rules
60-cdrom_id.rules                      71-power-switch-proliant.rules            84-nm-drivers.rules
60-crda.rules                          71-seat.rules                             85-brltty.rules
60-drm.rules                           71-u-d-c-gpu-detection.rules              85-hdparm.rules
60-evdev.rules                         73-seat-late.rules                        85-hplj10xx.rules
60-imagescan.rules                     73-special-net-names.rules                85-nm-unmanaged.rules
60-inputattach.rules                   73-usb-net-by-mac.rules                   85-regulatory.rules
60-input-id.rules                      75-net-description.rules                  89-alsa-ucm.rules
60-libfprint0.rules                    75-probe_mtd.rules                        90-alsa-restore.rules
60-libgphoto2-6.rules                  77-mm-cinterion-port-types.rules          90-bolt.rules
60-libsane.rules                       77-mm-dell-port-types.rules               90-console-setup.rules
60-pcmcia.rules                        77-mm-ericsson-mbm.rules                  90-fwupd-devices.rules
60-persistent-alsa.rules               77-mm-fibocom-port-types.rules            90-libgpod.rules
60-persistent-input.rules              77-mm-haier-port-types.rules              90-libinput-fuzz-override.rules
60-persistent-storage-dm.rules         77-mm-huawei-net-port-types.rules         90-nm-thunderbolt.rules
60-persistent-storage.rules            77-mm-longcheer-port-types.rules          90-pulseaudio.rules
60-persistent-storage-tape.rules       77-mm-mtk-port-types.rules                95-cd-devices.rules
60-persistent-v4l.rules                77-mm-nokia-port-types.rules              95-dm-notify.rules
60-sensor.rules                        77-mm-pcmcia-device-blacklist.rules       95-upower-csr.rules
60-serial.rules                        77-mm-qdl-device-blacklist.rules          95-upower-hidpp.rules
61-gdm.rules                           77-mm-quectel-port-types.rules            95-upower-hid.rules
61-gnome-settings-daemon-rfkill.rules  77-mm-sierra.rules                        95-upower-wup.rules
61-persistent-storage-android.rules    77-mm-simtech-port-types.rules            96-e2scrub.rules
64-btrfs.rules                         77-mm-telit-port-types.rules              97-hid2hci.rules
64-xorg-xkb.rules                      77-mm-ublox-port-types.rules              99-systemd.rules
65-libwacom.rules                      77-mm-usb-device-blacklist.rules
66-snapd-autoimport.rules              77-mm-usb-serial-adapters-greylist.rules
sudo find / -name "*epkowa*"
find: ‘/run/user/1000/doc’: Permission non accordée
find: ‘/run/user/1000/gvfs’: Permission non accordée
sudo adduser max saned
Ajout de l'utilisateur « max » au groupe « saned »...
Ajout de l'utilisateur max au groupe saned
Fait.

C'est très curieux car j'ai déjà passé cette commande.

sudo adduser saned scanner
L'utilisateur « saned » appartient déjà au groupe « scanner ».

A suivre après le reboot.

Hors ligne

#8 Le 05/02/2020, à 11:00

MaxJ01

Re : Pb de numérisation à partir d'une multifonction Epson ET-2750

Je fais parti du groupe saned maintenant

groups
max adm cdrom sudo dip plugdev lpadmin scanner saned lxd sambashare
scanimage -L 

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).
sudo scanimage -L 
[sudo] Mot de passe de max : 

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).

Je suis bien connecté en USB 2 (pas sur un connecteur USB bleu).
C'est très curieux que cela ne fonctionne toujours pas.
Par avance merci pour tes conseils.

Hors ligne