Error when reading from Fujitsu fi-5120c

> 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

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what you don't know.
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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.


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