[sane-devel] Scanning from fujitsu ScanSnap S1500 Error during device I/O

[Joachim Franek]

On Friday 04 February 2011 17:53:32 m. allan noah wrote:
> No, Markus has uncovered a real bug. The S1500 chokes when doing high
> resolution duplex scans. The backend reads data from both sides of the
> paper, and buffers the back side. Unfortunately, we read too far ahead
> on the backside, and the scanner has problems.
> 
> Do you have the S1500 too? perhaps you could repeat the experiment:
> 
> scanimage -b -d fujitsu --source "ADF Duplex" --mode color
> 
> then see if out1.pnm and out2.pnm look reasonable.
> 
> allan
> 

Hi allan,

yes I have this very nice device,
to win the war against paper on the command line!

Do you know, how to convince Fujitsu to deliver Abbyy Finereader
not only for win and mac?

The results (pnm-files) from command 1 to 3 (see below) are ok!

My results:

"Color"
jjf at nb8:~$ scanimage --device=fujitsu --df-action Stop --batch-count=900 --
batch-increment=1 --mode=Color --resolution 300 --y-resolution=300  --page-
height 500.0 --brightness 0 --contrast 0 --source="ADF Duplex" -l 2.0 -t 0.0 -
x 215 -y 300 --batch=test_%d.pnm --batch-start=1
scanimage: rounded value of page-height from 500 to 499.998
scanimage: rounded value of tl-x from 2 to 2.01057
scanimage: rounded value of br-x from 217.011 to 215.872
scanimage: rounded value of br-y from 300 to 299.999
Scanning 900 pages, incrementing by 1, numbering from 1
Scanning page 1
Scanned page 1. (scanner status = 5)
Scanning page 2
Scanned page 2. (scanner status = 5)
Scanning page 3
scanimage: sane_start: Document feeder out of documents

-b added
jjf at nb8:~$ scanimage -b --device=fujitsu --df-action Stop --batch-count=900 --
batch-increment=1 --mode=Color --resolution 300 --y-resolution=300  --page-
height 500.0 --brightness 0 --contrast 0 --source="ADF Duplex" -l 2.0 -t 0.0 -
x 215 -y 300 --batch=test2_%d.pnm --batch-start=1
scanimage: rounded value of page-height from 500 to 499.998
scanimage: rounded value of tl-x from 2 to 2.01057
scanimage: rounded value of br-x from 217.011 to 215.872
scanimage: rounded value of br-y from 300 to 299.999
Scanning 900 pages, incrementing by 1, numbering from 1
Scanning page 1
Scanned page 1. (scanner status = 5)
Scanning page 2
Scanned page 2. (scanner status = 5)
Scanning page 3
scanimage: sane_start: Document feeder out of documents

"color"
jjf at nb8:~$ scanimage -b --device=fujitsu --df-action Stop --batch-count=900 --
batch-increment=1 --mode=color --resolution 300 --y-resolution=300  --page-
height 500.0 --brightness 0 --contrast 0 --source="ADF Duplex" -l 2.0 -t 0.0 -
x 215 -y 300 --batch=test2_%d.pnm --batch-start=1
scanimage: rounded value of page-height from 500 to 499.998
scanimage: rounded value of tl-x from 2 to 2.01057
scanimage: rounded value of br-x from 217.011 to 215.872
scanimage: rounded value of br-y from 300 to 299.999
Scanning 900 pages, incrementing by 1, numbering from 1
Scanning page 1
Scanned page 1. (scanner status = 5)
Scanning page 2
Scanned page 2. (scanner status = 5)
Scanning page 3
scanimage: sane_start: Document feeder out of documents

on Ubuntu 10.04 32bit

Joachim