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Epson Scanner and RT-N16 stock firmware

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Hi all. I got a problem with my Asus RT-N16 runing stock firmware v3.0.0.4.260 with enabled Optware. I'm going to share Epson Perfection 2480 scanner via LAN but stuck on initial stage, namely this one correctly recognized by sane-find-scanner but scanimage fails. The scanner should work with snapscan backend and does it OK at all my Linux BB (openSUSE).

Some Tech Info

Code:

cat /opt/etc/sane.d/dll.conf | grep -v '#'
Net
snapscan

Code:

cat /opt/etc/sane.d/snapscan.conf | grep -i -A 1 '2480\|firmware'
# Change to the fully qualified filename of your firmware file, if
# firmware upload is needed by the scanner
firmware /opt/share/sane/snapscan/Esfw41.bin

--
# Epson Perfection 2480
usb 0x04b8 0x0121

Code:

ls -l /opt/share/sane/snapscan/
-rwxrwxrwx    1 gary    root        64000 Dec 16 17:20 Esfw41.bin

Code:

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.

found USB scanner (vendor=0x04b8 [EPSON], product=0x0121 [EPSON Scanner]) at libusb:002:006
  # 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.

Code:

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).

Code:

scanimage -V
scanimage (sane-backends) 1.0.22; backend version 1.0.22

If I run 'scanimage' on openSUSE system then I receive such lines:

Code:

scanimage -L
device `snapscan:libusb:003:003' is a EPSON EPSON Scanner1 flatbed scanner

Code:

scanimage -V
scanimage (sane-backends) 1.0.22; backend version 1.0.22

When I plug scanner in router 'dmesg' takes me some weird lines:

Code:

usb 2-2.2: new full speed USB device using ohci_hcd and address 6
usb 2-2.2: not running at top speed; connect to a high speed hub
usb 2-2.2: configuration #1 chosen from 1 choice
usbcore: registered new interface driver usbserial
drivers/usb/serial/usb-serial.c: USB Serial support registered for generic
usbcore: registered new interface driver usbserial_generic
drivers/usb/serial/usb-serial.c: USB Serial Driver core
drivers/usb/serial/usb-serial.c: USB Serial support registered for GSM modem (1-port)
option 2-2.2:1.0: GSM modem (1-port) converter detected
usb 2-2.2: GSM modem (1-port) converter now attached to ttyUSB0
usbcore: registered new interface driver option
drivers/usb/serial/option.c: USB Driver for GSM modems: v0.7.2

It seems to me that router's kernell recognizes my device as GSM modem so any scanner device doesn't appear in /dev catalog:

Code:

ls /dev
1-1                log                mtd3ro            port              ptyp5      ptypf              ttyS2              ttyp7              usb1                      zero
2-2                lp0                mtd4                      ppp                ptyp6      random          ttyS3              ttyp8              usb2
2-2.1              mem        mtd4ro            printers          ptyp7      sda                ttyUSB0          ttyp9              usbdev1.1
2-2.2              mtd0              mtdblock0          ptmx              ptyp8      sda1              ttyp0              ttypa              usbdev1.2
2-2.3              mtd0ro          mtdblock1          pts                ptyp9      sda2              ttyp1              ttypb              usbdev2.1
console          mtd1              mtdblock2          ptyp0              ptypa      sg0                ttyp2              ttypc              usbdev2.2
full              mtd1ro          mtdblock3          ptyp1              ptypb      shm              ttyp3              ttypd              usbdev2.3
gpio              mtd2              mtdblock4          ptyp2              ptypc      tty                  ttyp4              ttype              usbdev2.4
kmem      mtd2ro          null                      ptyp3              ptypd      ttyS0              ttyp5              ttypf              usbdev2.5
kmsg              mtd3              nvram              ptyp4              ptype      ttyS1              ttyp6              urandom        usbdev2.6

Code:

lsmod
Module                  Size  Used by    Tainted: P
option                42128  0
usbserial              35072  1 option
nf_nat_rtsp            5520  0
nf_conntrack_rtsp      7040  1 nf_nat_rtsp
nf_nat_ftp              2816  0
nf_conntrack_ftp        7968  1 nf_nat_ftp
ip6table_filter        1888  0
ip6table_mangle        1984  0
sr_mod                15792  0
cdrom                  41792  1 sr_mod
zaurus                  4160  0
rndis_host              5984  0
net1080                5280  0
cdc_ether              5120  2 zaurus,rndis_host
asix                  16960  0
usbnet                17328  5 zaurus,rndis_host,net1080,cdc_ether,asix
usblp                  16272  0
ohci_hcd              21520  0
ehci_hcd              45248  0
ufsd                  350192  0
vfat                  11840  0
fat                    56112  1 vfat
ext2                  68064  2
ext3                  136640  0
jbd                    62112  1 ext3
mbcache                7280  2 ext2,ext3
usb_storage            45632  2
sg                    31552  0
sd_mod                27536  3
scsi_wait_scan          960  0
scsi_mod              105472  5 sr_mod,usb_storage,sg,sd_mod,scsi_wait_scan
usbcore              147904 13 option,usbserial,zaurus,rndis_host,net1080,cdc_ether,asix,usbnet,usblp,ohci_hcd,ehci_hcd,usb_storage
nf_nat_pptp            2592  0
nf_conntrack_pptp      6000  1 nf_nat_pptp
nf_nat_proto_gre        2128  1 nf_nat_pptp
nf_conntrack_proto_gre    4128  1 nf_conntrack_pptp
nf_nat_sip              4416  0
nf_conntrack_sip        9024  1 nf_nat_sip
nf_nat_h323            7296  0
nf_conntrack_h323      49984  1 nf_nat_h323
wl                  2859600  0
igs                    18704  1 wl
emf                    22848  2 wl,igs
et                    51168  0
ctf                    17120  0

That is, at router's admin web UI my scanner detected as 3G modem http://bit.ly/112ZKkR even though I turned modem off it has no effect.

What I have lost sight of? Please point me out what direction I got to dig if it possible to get this scanner working in any way.

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