[sane-devel] Fwd: unable to read device-id

[Miguel Silva]

Hi there,

I need a help to try fix my scan.

In the begin i was capable to scan but something wrong happened.

Now i can use the scan only out of gnome. I exit the session (logout) and
enter in text mode (ALT + F2) and then i use:

   scanimage -x 100 -y 100 --format=jpeg > image.jpg

It's work!

But in the gnome the scanner didn't work.

I attached some information about my system and the error message.

My distro is Fedora 32 and i use Xorg because i couldn't compile my video
driver.

Thank any help,

-- 
Miguel Silva
megs.rs at gmail.com

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[    2.227009] usb 6-1: new full-speed USB device number 2 using xhci_hcd
[  706.218246] usb 6-1: new full-speed USB device number 3 using xhci_hcd
[  706.368041] usb 6-1: New USB device found, idVendor=04b8, idProduct=083f, bcdDevice= 0.01
[  706.368044] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  706.368045] usb 6-1: Product: USB1.1 MFP(Full-Speed)
[  706.368047] usb 6-1: Manufacturer: EPSON
[  706.368048] usb 6-1: SerialNumber: B08090710080116014
[  707.127542] usblp 6-1:1.1: usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04B8 pid 0x083F
[  713.776527] usblp 6-1:1.1: usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04B8 pid 0x083F
[  919.813688] usblp 6-1:1.1: usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04B8 pid 0x083F
[  919.954175] usblp 6-1:1.1: usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04B8 pid 0x083F
[  924.988329] usblp 6-1:1.1: usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04B8 pid 0x083F

==============================================================================================================================================

Bus 006 Device 003: ID 04b8:083f Seiko Epson Corp. Stylus CX4300/CX4400/CX5500/CX5600/DX4400/DX4450

==============================================================================================================================================

mai 20 11:54:10 megs-fedora iscan[6547]: io/hpmud/pp.c 627: unable to read device-id ret=-1

==============================================================================================================================================

*-usb UNCLAIMED
   description: Printer
   product: USB1.1 MFP(Full-Speed)
   vendor: EPSON
   physical id: 1
   bus info: usb at 6:1
   version: 0.01
   serial: B08090710080116014
   capabilities: usb-1.10 bidirectional
   configuration: maxpower=2mA speed=12Mbit/s

==============================================================================================================================================

  # 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=0x2357 [Realtek ], product=0x0109 [802.11n NIC ]) at libusb:008:002
found USB scanner (vendor=0x04b8 [Language Error], product=0x083f [Language Error]) at libusb:006:003
  # 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.

==============================================================================================================================================

device `epkowa:interpreter:006:003' is a Epson (unknown model) flatbed scanner

==============================================================================================================================================

  6-1               04b8:083f 00 2IFs [USB 1.10,    12 Mbps,   2mA] (EPSON USB1.1 MFP(Full-Speed) B08090710080116014) 

==============================================================================================================================================