[sane-devel] Fujitsu backend questions

m. allan noah anoah@pfeiffer.edu
Mon, 15 Nov 2004 12:13:57 -0500 (EST)

no on both questions i think. there is a scsi command to set a timer on 
the lamp, but the backend does not send this command. should not be too 
hard to add.

i have not investigated auto paper sizing, but it seems that it would only 
work for width, and would involve perhaps taking a single scanline at full 
width, and then determine most likely window params from that. this would 
be a bit more work.


On Mon, 15 Nov 2004, Mattias Kregert wrote:

> Hello list,
> I have some questions about my fujitsu FI-4120C... (using the fujitsu backend):
> - The scanner lamp is always on. From what I have heard, that is a Bad Thing because it will shorten the lamp's lifetime... If this is correct, then how can I turn off the lamp? Is there some magic hidden command to do that?
> - Is there some way to make the scanner recognize the physical papersize and scan only that size? Right now I have to select between A4 / A5 paper format... If i use A4 then i know that the whole paper will always be scanned.. but if i scan a lot of A5 then i want to scan only A5 because it it twice as fast as A4.... now when i mix A4 and the smaller A5, I have to change settings all the time...   If I use adfscan then I have to set it to A4 (the largest format) but then i loose a lot of speed... A 'papersize=auto' feature would be nice... is there some way to do this with the current backend?
> Thanks!
> /Mattias
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