[sane-devel] Re: Error when reading from Fujitsu fi-5120c

[Matthew]

m. allan noah wrote:
>> scanimage: scanning image of size 5104x6600 pixels at 1 bits/pixel
>> scanimage: acquiring gray frame
>> [fujitsu] sane_read: start
>> [fujitsu] read_from_scanner: start
>> [fujitsu] read_from_scanner: si:0 to:4210800 rx:0 re:4210800 bu:65536
>> pa:65076
>> [fujitsu] do_usb_cmd: start
>> [fujitsu] in: return error 'End of file reached'
>> [fujitsu] read_from_scanner: got EOF, changing to GOOD
> 
> hmm. i bet that is the culprit. i bet we should catch that eof, and run
> status anyway. instead of continuing. normally the 5120 is in blocking
> mode, and does not do this. even if we get the io error later to work,
> this will corrupt the image anyway, so it has to be fixed.
> 
> did you have the scanner connected to windows, then connect it to linux,
> without power cycling the scanner? if the windows driver sets up the
> scanner for some kind of non-blocking or buffering mode, this would happen.
> 
> if you power cycle the scanner while its connected to linux, does this
> happen still?
> 
> allan
> 

Ok, time for me to sound extremely stupid, but how do I power cycle the
scanner.  If your talking about simply turning it off and on then yes I
have done that and it still errors out.