[sane-devel] Fujitsu fi-6130: x-offset duplex
m. allan noah
kitno455 at gmail.com
Sat Mar 21 23:52:30 GMT 2020
I have enough docs at this point to figure out the required commands
to write to the eeprom, but I agree that it is not something I'd
implement as part of SANE. Perhaps a standalone program would be
useful for someone who did not have a windows machine available.
On Sat, Mar 21, 2020 at 9:49 AM Max Voit <max.voit+mlsa at with-eyes.net> wrote:
> On Sun, 8 Mar 2020 21:42:40 -0400
> "m. allan noah" <kitno455 at gmail.com> wrote:
> > Hmm, the X offset setting is controlled by the scanner itself. It is
> > stored somewhere in the scanner firmware, but I'm not sure how we
> > write to it. I can ask my contacts at Fujitsu for information.
> Thank you for your help, Allan.
> After hooking up a Windows machine, I realized that the Windows driver
> also provides a "settings" page. There it's possible to set the offsets.
> It says it's writing to eeprom, so the setting is persistently stored
> in the device. Thus, after configuring the offsets from Windows, scan
> results have correct offsets with sane as well.
> Unfortunately I was unable to aquire usb logs of the eeprom writing
> procedure. I installed wireshark and pcap-usb, but it doesn't show a usb
> capturing device. Hints on that would be appreciated.
> On the other hand I'm not sure whether writing to the eeprom is not out
> of scope of sane?
> Best regards,
"well, I stand up next to a mountain- and I chop it down with the edge
of my hand"
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