Dear allan:

I'm wondering if I'm writing to a Mr. or Ms.
Would you please give me some adivse about using the SANE driver:

In the next table, Command① can be normal use,But Command② can not,
↓
---------------------------------------------------------------------------------------

- Command①:  SANE_DEBUG_RICOH=255 scanimage --format=tiff  --mode=Lineart
>pic.tiff -
- Command②:  scanimage --format=tiff --mode=Lineart  >pic.tiff
-
---------------------------------------------------------------------------------------
When I used the Command②,  scanimage error has occurred.
"scanimage :  sane_read: Error during device I/O"

Excuse me:
Whether the Command① is the debug version and the Command② is the release
Version?
How can I fixed the bug of the Command② ?
The debug informatiton is detemined by "./configure" ?


Look forward to your help, Thank you~
Best Regard
Yours Sincerely, Yihao


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