[sane-devel] sane-sp15c and Fujitsu 620c ADF double-page feed

[Garrick Sitongia]

When I put many docs in the ADF, sane will scan the 1st, eject it, then it 
will feed the next straight through without scanning it, scan the 3rd, feed 
the 4th through, scan the 5th, etc. How do we get it to stop scanning only 
every other document?

I have done this:

"export SANE_DEBUG_SP15C=25"

then

"scanimage --mode 8-bit --format=tiff --resolution 240 --y-resolution 240 
--source ADF --batch -y 270"

It seems to eject the odd pages when doing a "sp15c_object_discharge".

(TRIMMED DEBUG OUTPUT FILE)
[sp15c] sp15c.c:               1322  sanei_scsi_cmd: returning 46828 bytes:
[sp15c] sp15c.c:               1336  >rslt>
[sp15c] sp15c.c:               1345  000: ed e6 e6 e7 de e8 fa f3 f8 f2 f5 
fd fb fe fc f9
[sp15c] sp15c.c:               1345  016: fc f0 f2 fc fe f5 f9 fd f2 ef ef 
f9 fd fe fe fd
[sp15c] sp15c.c:               1345  032: fe fe fd fe fe fe fd fe fe fc fd 
fd fc fd fe fe
[sp15c] sp15c.c:               1345  048: fd fe fe fc f3 fb f8 fc fe fc f8 
fe fe fc fd fa
[sp15c] sp15c.c:               1345  064: f5 f4 f6 f9 f2 f0 f0 f5 fb f6 ee 
ed ee f7 f8 f2
[sp15c] sp15c.c:               1355  080: fc f3 f5 ed fe f2 f5 fb fe fe fe 
fe fb f7 fb f6
[sp15c] sp15c.c:               902   sane_read: read 32768 bytes of 32768
[sp15c] sp15c.c:               898   sane_read
[sp15c] sp15c.c:               2014  reader_process: buffer of 46828 bytes 
read; 0 bytes to go
[sp15c] sp15c.c:               2023  reader_process: finished
[sp15c] sp15c.c:               902   sane_read: read 14060 bytes of 32768
[sp15c] sp15c.c:               898   sane_read
[sp15c] sp15c.c:               902   sane_read: read 0 bytes of 32768
[sp15c] sp15c.c:               2031  do_eof
[sp15c] sp15c.c:               936   sane_cancel
[sp15c] sp15c.c:               1724  do_cancel
[sp15c] sp15c.c:               2031  do_eof
[sp15c] sp15c.c:               1733  do_cancel: kill reader_process
[sp15c] sp15c.c:               1569  sp15c_free_scanner
[sp15c] sp15c.c:               1766  sp15c_object_discharge
[sp15c] sp15c.c:               1336  <cmd<
[sp15c] sp15c.c:               1355  000: 31 00 00 00 00 00 00 00 00 00
[sp15c] sp15c.c:               1322  sanei_scsi_cmd: returning 0 bytes:
[sp15c] sp15c.c:               1625  wait_scanner
[sp15c] sp15c.c:               1336  <cmd<
[sp15c] sp15c.c:               1355  000: 00 00 00 00 00 00
[sp15c] sp15c.c:               1322  sanei_scsi_cmd: returning 0 bytes:
[sp15c] sp15c.c:               1643  wait_scanner: ok
[sp15c] sp15c.c:               1777  sp15c_object_discharge: ok
[sp15c] sp15c.c:               1625  wait_scanner
[sp15c] sp15c.c:               1336  <cmd<
[sp15c] sp15c.c:               1355  000: 00 00 00 00 00 00
[sp15c] sp15c.c:               1322  sanei_scsi_cmd: returning 0 bytes:
[sp15c] sp15c.c:               1643  wait_scanner: ok
[sp15c] sp15c.c:               1336  <cmd<
[sp15c] sp15c.c:               1355  000: 17 00 00 00 00 00
[sp15c] sp15c.c:               1322  sanei_scsi_cmd: returning 0 bytes:
[sp15c] sp15c.c:               1580  sp15c_free_scanner: ok
[sp15c] sp15c.c:               1745  do_cancel: close filedescriptor
Scanned page 1. (scanner status = 5)
Scanning page 2
[sp15c] sp15c.c:               723   sane_start
[sp15c] sp15c.c:               1603  sp15c_grab_scanner
(END)

Thanks for any help.

Garrick

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