[sane-devel] epson 4180 epkowa

[Mickael Profeta]

Hi

>  
>
>>I would like to use scanimage with my epson 4180.
>>It is supported by epkowa backend, and iscan works. But I would like
>>to do some scans on command line, without any gui, is it possible?
>>    
>>
>
>The epkowa backend included with iscan is a regular SANE backend and
>should be usable with any SANE frontend.
>
>  
>
that was my thought, but unfortunately it does not work :-(

>>scanimage -L return nothing and
>>    
>>
>
>Don't know what's wrong here.
>
>  
>
>>mike@fjord:~$ scanimage -d epson:libusb:004:003
>>scanimage: open of device epson:libusb:004:003 failed: Invalid argument
>>    
>>
>
>Have you tried with epkowa instead of epson?  That is, have you tried
>
>  $ scanimage -d epkowa:libusb:004:003
>  
>
yes, with the same results :
mike@fjord:~$ scanimage -d epkowa:libusb:004:003
[epkowa] Error opening the devicescanimage: open of device 
epkowa:libusb:004:003 failed: Invalid argument


I give you some more informations if it can help.

mike@fjord:~$ sane-find-scanner -v -v
This is sane-find-scanner from sane-backends 1.0.15
[...]
trying libusb:

<device descriptor of 0x0000/0x0000 at 004:001>
bLength               18
bDescriptorType       1
bcdUSB                2.00
bDeviceClass          9
bDeviceSubClass       0
bDeviceProtocol       1
bMaxPacketSize0       8
idVendor              0x0000
idProduct             0x0000
bcdDevice             2.04
iManufacturer         3 ((null))
iProduct              2 ((null))
iSerialNumber         1 ((null))
bNumConfigurations    1
 <configuration 0>
 bLength              9
 bDescriptorType      2
 wTotalLength         25
 bNumInterfaces       1
 bConfigurationValue  1
 iConfiguration       0 ()
 bmAttributes         64 (Self-powered)
 MaxPower             0 mA
  <interface 0>
   <altsetting 0>
   bLength            9
   bDescriptorType    4
   bInterfaceNumber   0
   bAlternateSetting  0
   bNumEndpoints      1
   bInterfaceClass    9
   bInterfaceSubClass 0
   bInterfaceProtocol 0
   iInterface         0 ()
    <endpoint 0>
    bLength           7
    bDescriptorType   5
    bEndpointAddress  0x81 (in 0x01)
    bmAttributes      3 (interrupt)
    wMaxPacketSize    2
    bInterval         12 ms
    bRefresh          0
    bSynchAddress     0

<device descriptor of 0x04b8/0x0118 at 004:003 (EPSON EPSON Scanner)>
bLength               18
bDescriptorType       1
bcdUSB                2.00
bDeviceClass          255
bDeviceSubClass       255
bDeviceProtocol       255
bMaxPacketSize0       64
idVendor              0x04B8
idProduct             0x0118
bcdDevice             1.00
iManufacturer         1 (EPSON)
iProduct              2 (EPSON Scanner)
iSerialNumber         0 ()
bNumConfigurations    1
 <configuration 0>
 bLength              9
 bDescriptorType      2
 wTotalLength         32
 bNumInterfaces       1
 bConfigurationValue  1
 iConfiguration       0 ()
 bmAttributes         192 (Self-powered)
 MaxPower             2 mA
  <interface 0>
   <altsetting 0>
   bLength            9
   bDescriptorType    4
   bInterfaceNumber   0
   bAlternateSetting  0
   bNumEndpoints      2
   bInterfaceClass    255
   bInterfaceSubClass 255
   bInterfaceProtocol 255
   iInterface         0 ()
    <endpoint 0>
    bLength           7
    bDescriptorType   5
    bEndpointAddress  0x81 (in 0x01)
    bmAttributes      2 (bulk)
    wMaxPacketSize    512
    bInterval         255 ms
    bRefresh          0
    bSynchAddress     0
    <endpoint 1>
    bLength           7
    bDescriptorType   5
    bEndpointAddress  0x02 (out 0x02)
    bmAttributes      2 (bulk)
    wMaxPacketSize    512
    bInterval         255 ms
    bRefresh          0
    bSynchAddress     0

<trying to find out which USB chip is used>
    checking for GT-6801 ...
    this is not a GT-6801 (bcdUSB = 0x200)
    checking for GT-6816 ...
    this is not a GT-6816 (bDeviceClass = 255, bInterfaceClass = 255)
    checking for GT-8911 ...
    this is not a GT-8911 (check 1, bDeviceClass = 255, bInterfaceClass 
= 255)
    checking for MA-1017 ...
    this is not a MA-1017 (bDeviceClass = 255, bInterfaceClass = 255)
    checking for MA-1015 ...
    this is not a MA-1015 (bcdUSB = 0x200)
    checking for MA-1509 ...
    this is not a MA-1509 (bcdUSB = 0x200)
    checking for LM983[1,2,3] ...
    this is not a LM983x (bcdUSB = 0x200)
    checking for GL646 ...
    this is not a GL646 (bDeviceClass = 255, bInterfaceClass = 255)
    checking for GL646_HP ...
    this is not a GL646_HP (bcdUSB = 0x200)
    checking for GL660+GL646 ...
    this is not a GL660+GL646 (bDeviceClass = 255, bInterfaceClass = 255)
    checking for GL841 ...
    this is not a GL841 (bNumEndpoints = 2)
    checking for ICM532B ...
    this is not a ICM532B (check 2, bcdUSB = 0x200)
<Couldn't determine the type of the USB chip>

found USB scanner (vendor=0x04b8 [EPSON], product=0x0118 [EPSON 
Scanner]) at libusb:004:003

mike@fjord:~$ cat /etc/sane.d/dll.conf
#

epkowa

mike@fjord:~$ cat /etc/sane.d/epkowa.conf
# epkowa.conf
#
# USB scanner - only enable this if you have an EPSON scanner. It could
#               otherwise block your non-EPSON scanner from being
#               recognized.
#usb /dev/usb/scanner0
usb 0x04b8 0x0118

Thanks for your help.

Mike