[sane-devel] Unable to access minor data

[El Zorro]

Hi Group,

I joined this group few days ago and I have a similar problem like Karl had.

I have an USB Acer ScanPrisa 640U, I have installed latest SANE version, 
when I run the command: sane-find-scanner I got the following answer:
sane-find-scanner: found USB scanner (vendor = 0x04a5, product = 0x2060) 
at device /dev/usb/scanner0

However when I tried "scanimage -d acer:/dev/usb/scanner0"  or 
"scanimage -d snapscan:/dev/usb/scanner0"  I got the following:
scanimage: open of device snapscan:/dev/usb/scanner0 failed: Invalid 
argument

What may I try to work with this scanner?
I am running Mandrake 8.2 and I am new in this Linux world.

Your help would be very much appreciated,
Zorro.


Karl Heinz Kremer wrote:

>Try the following syntax:
>scanimage -d epson:usb/dev/usbcanner0
>
>You have to tell Sane backend that the scanner at /dev/usb/scanner0 is not a SCSI 
>scanner (which is the default). 
>
>Karl Heinz
>
>On Tue, Jul 02, 2002 at 11:23:08PM +0900, James Leigh wrote:
>  
>
>>>Nothing. However that's only the messages concerning loading the
>>>drivers. I think the messages about recognizing the hardware are
>>>missing. Something like this (ohci, but uhci should be similar):
>>>      
>>>
>>Oh, yes! You gave me the right hint. I checked the ROM BIOS settings
>>and I found that I disabled the irq for usb.
>>What a silly gui I am!
>>
>>But I have still problem.
>>sane-find-scanner says:
>>sane-find-scanner: found USB scanner (UNKNOWN vendor and product) at device /dev/usbscanner0
>>
>>but scanimage -L tells me the opposite - no scanner found
>>My scanner is Epson perfection 610 so I gave an arguement.
>>% scanimage -d epson:/dev/usbscanner0
>>and this tells me 'Invalid arguement'
>>
>>How can I change the UNKNOWN to Perfection 610?
>>
>>Many thanks to everyone.
>>-- 
>>Uh-oh!! I'm having TOO MUCH FUN!!
>>--------------------------------------------
>>James Leigh : 
>>    Mail me to crinje at korea.gnu.org
>>    Or to crinje at gnu.org
>>    Visit GNU Korea at http://korea.gnu.org/
>>          http://korea.gnu.org/people/crinje/
>>"Jesus Christ" is Lord of All.
>>--------------------------------------------
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>>    
>>
>
>  
>